Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Financings - Additional Information (Detail)

v3.3.1.900

Financings - Additional Information (Detail) - USD ($)	1 Months Ended		12 Months Ended
Financings - Additional Information (Detail) - USD ($)	Aug. 31, 2015	Aug. 31, 2014	Dec. 31, 2015	Oct. 31, 2015	Apr. 30, 2015	Dec. 31, 2014
Financing Activities and Borrowing Arrangements [Line Items]
Notes payable, current			$ 10,360,000			$ 360,000
Debt instrument maturity date		Aug. 20, 2017
Line of credit facility, maximum borrowing amount		$ 25,000,000		$ 30,000,000	$ 25,000,000
Debt instrument agreement period		3 years
Guaranteed borrowing capacity					$ 5,000,000
Bank loan payable			2,600,000
Borrowing capacity			$ 22,000,000
Weighted average annual interest rate			3.65%
Minimum fixed charges ratio			110.00%
Senior debt EBITDA ratio			350.00%
Value Lighting
Financing Activities and Borrowing Arrangements [Line Items]
Debt refinance amount			$ 3,700,000
Notes payable, maturity			2018-11
Balloon payment			$ 1,400,000
Energy Source \| Promissory Notes
Financing Activities and Borrowing Arrangements [Line Items]
Notes payable, current	$ 10,000,000
Debt instrument, interest rate	5.00%
Debt instrument maturity date	Jul. 20, 2016

- Definition

Financing Activities and Borrowing Arrangements [Line Items]

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- Definition

Guarantee of borrowing capacity in excess of collateral.

+ References

No definition available.

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- Definition

Maximum Ratio Of Debt To Earnings Before Interest Taxes Depreciation And Amortization

+ References

No definition available.

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- Definition

Minimum Fixed Charge Coverage Ratio

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No definition available.

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- Definition

Senior Notes Maturity, Month and Year

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No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the operating cycle if longer, excluding current portion.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

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- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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- Definition

Amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1927-112601

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