Stock Option Plans - Additional Information (Detail) (USD $)
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12 Months Ended |
0 Months Ended |
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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May 31, 2013
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Apr. 21, 2014
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Common stock, issued |
129,714,000us-gaap_CommonStockSharesIssued
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82,095,000us-gaap_CommonStockSharesIssued
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Granted |
52,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
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54,250us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
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Grant date weighted average fair value options |
$ 3.02us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
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$ 0.39us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
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Total intrinsic value |
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$ 95,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
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Number of options exercised |
0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
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108,146us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
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0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
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Intrinsic value of outstanding exercisable options |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
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Total fair value of shares vested |
1,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
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2,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
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158,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
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Unrecognized compensation expense for restricted stock |
1,670,240rvlt_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnRestrictedStockAwards
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Stock-based compensation expenses |
1,711,000us-gaap_ShareBasedCompensation
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809,000us-gaap_ShareBasedCompensation
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45,000us-gaap_ShareBasedCompensation
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Employees |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Stock-based compensation expenses |
1,751,000us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_EmployeesMember
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302,000us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_EmployeesMember
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45,000us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_EmployeesMember
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Non Employees |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Stock-based compensation expenses |
(40,000)us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_NonEmployeesMember
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506,000us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_NonEmployeesMember
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0us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_NonEmployeesMember
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Bonus and Commissions |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Stock-based compensation expenses |
911,000us-gaap_ShareBasedCompensation / us-gaap_TitleOfIndividualAxis = rvlt_CommissionsMember
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Performance Based Stock Options |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Granted |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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Number of options exercised |
0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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Unrecognized compensation cost |
$ 0us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions / us-gaap_AwardTypeAxis = rvlt_PerformanceBasedStockOptionsMember
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Two Thousand Three Plan |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Common stock reserved for future issuance |
379,380us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = rvlt_TwoThousandThreePlanMember
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Percentage of option price |
100.00%rvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantOptionsPrice / us-gaap_AwardTypeAxis = rvlt_TwoThousandThreePlanMember
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Common stock vesting period |
3 years
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Shares of common stock vested and exercisable |
379,380us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber / us-gaap_AwardTypeAxis = rvlt_TwoThousandThreePlanMember
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Two Thousand Three Plan | Maximum |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Stock option period |
10 years
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Two Thousand Thirteen Plan [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Common stock, issued |
1,015,501us-gaap_CommonStockSharesIssued / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember
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3,000,000us-gaap_CommonStockSharesIssued / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember
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Common shares approved but unissued |
291,000us-gaap_CommonStockSharesSubscribedButUnissued / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember
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Two Thousand Thirteen Plan [Member] | Stock Option Shares [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Granted |
35,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember / rvlt_CommonEquityOfferingProgramAxis = rvlt_StockOptionSharesMember
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Two Thousand Thirteen Plan [Member] | Restricted Shares [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Commons stock share awarded, restricted |
1,949,499us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember / rvlt_CommonEquityOfferingProgramAxis = rvlt_RestrictedSharesMember
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Two Thousand Thirteen Plan [Member] | Maximum |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Grant Expiration Date |
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0rvlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAvailableForGrantExpirationsInPeriod / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Two Thousand Thirteen Plan [Member] | Minimum |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Stock options exercise price, percentage |
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100.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent / us-gaap_AwardTypeAxis = rvlt_TwoThousandThirteenPlanMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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Employee Restricted Stock Plan |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Weighted average term |
3 years
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Restricted Stock |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Common stock reserved for future issuance |
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300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Common stock vesting period |
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3 years
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Common stock reserved for future issuance |
848,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Restricted shares forfeited under stock incentive plan |
130,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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Weighted average grant date fair value |
$ 3.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
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