Preliminary Values Assigned to Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified
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Dec. 31, 2014
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Apr. 17, 2014
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Dec. 31, 2013
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Mar. 08, 2013
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Dec. 31, 2012
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Nov. 15, 2013
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Aug. 22, 2013
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Business Acquisition [Line Items] |
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Goodwill |
$ 42,991us-gaap_Goodwill
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$ 18,600us-gaap_Goodwill
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$ 21,498us-gaap_Goodwill
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$ 10,166us-gaap_Goodwill
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Intangible assets |
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20,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
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1,599us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
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Purchase price |
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856us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
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Tri-State DE LLC |
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Business Acquisition [Line Items] |
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Accounts receivable |
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468us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Inventory |
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310us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Goodwill |
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2,786us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Other intangibles |
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738rvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherAssets / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Other assets |
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38us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Assets acquired |
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6,500us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Accounts payable |
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440us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Accrued liabilities |
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208rvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Other current liabilities |
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80us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Liabilities assumed |
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728us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Purchase price |
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5,772us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember
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Tri-State DE LLC | Customer Relationships |
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Business Acquisition [Line Items] |
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Intangible assets |
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1,680us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
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Tri-State DE LLC | Non-compete agreements |
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Business Acquisition [Line Items] |
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Intangible assets |
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480us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_TriStateDeLlcMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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Value Lighting |
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Business Acquisition [Line Items] |
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Cash |
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35us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Accounts receivable |
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8,720us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Inventory |
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7,505us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Goodwill |
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18,635us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Other intangibles |
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116rvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherAssets / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Other assets |
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2,901us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Assets acquired |
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57,747us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Accounts payable |
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8,683us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Accrued liabilities |
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1,383rvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Other current liabilities |
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1,362us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Other liabilities |
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1,185us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Deferred income tax liability |
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5,825us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Liabilities assumed |
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18,438us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Purchase price |
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39,309us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember
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Value Lighting | Customer Relationships |
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Business Acquisition [Line Items] |
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Intangible assets |
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12,270us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
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Value Lighting | Non-compete agreements |
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Business Acquisition [Line Items] |
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Intangible assets |
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260us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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Value Lighting | Backlog |
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Business Acquisition [Line Items] |
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Intangible assets |
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2,505us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OrderOrProductionBacklogMember
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Value Lighting | Trade Names |
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Business Acquisition [Line Items] |
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Intangible assets |
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4,800us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_ValueLightingMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
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Relume Technologies Inc |
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Business Acquisition [Line Items] |
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Cash |
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61us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Accounts receivable |
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851us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Inventory |
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1,935us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Goodwill |
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8,624us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Other assets |
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838us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Assets acquired |
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16,209us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Accounts payable |
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2,574us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Accrued liabilities |
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1,891rvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Other current liabilities |
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26us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Capital lease obligations |
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110us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Liabilities assumed |
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4,601us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Purchase price |
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11,608us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember
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Relume Technologies Inc | Customer Relationships |
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Business Acquisition [Line Items] |
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Intangible assets |
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680us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
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Relume Technologies Inc | Trademarks |
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Business Acquisition [Line Items] |
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Intangible assets |
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1,200us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember
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Relume Technologies Inc | Technology |
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Business Acquisition [Line Items] |
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Intangible assets |
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2,020us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_RelumeTechnologiesIncMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = rvlt_TechnologyMember
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Seesmart Technologies Incorporated |
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Business Acquisition [Line Items] |
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Cash |
69us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Accounts receivable |
1,048us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Inventory |
1,352us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Goodwill |
10,166us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Other assets |
334us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Assets acquired |
23,676us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Accounts payable |
2,692us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Accrued liabilities |
1,137rvlt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Deferred revenue |
104us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Liabilities assumed |
5,400us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Purchase price |
18,276us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember
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Seesmart Technologies Incorporated | Customer Relationships |
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Business Acquisition [Line Items] |
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Intangible assets |
7,273us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
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Seesmart Technologies Incorporated | Trademarks |
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Business Acquisition [Line Items] |
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Intangible assets |
3,434us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember
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Seesmart Technologies Incorporated | Customer Deposits |
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Business Acquisition [Line Items] |
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Other current liabilities |
$ 1,467us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = rvlt_SeesmartTechnologiesIncorporatedMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = rvlt_CustomerDepositsMember
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