Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 22, 2014	Jun. 30, 2014 Segment	Jun. 30, 2013 Segment	Jun. 30, 2014 Segment	Jun. 30, 2013 Segment	Dec. 31, 2013	Dec. 31, 2012
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments		2	2	2	2
Cash and cash equivalents		$ 1,702,000	$ 5,347,000	$ 1,702,000	$ 5,347,000	$ 1,757,000	$ 4,434,000
Current assets		34,101,000		34,101,000		11,822,000
Cash flow from operations				(7,872,000)	(5,170,000)
Cash paid for acquisition related costs				700,000	2,600,000	3,600,000
Cash flow from operations						8,100,000
Working capital excluding cash and cash equivalent		(3,500,000)		(3,500,000)		(3,500,000)
Long term debt		5,700,000		5,700,000
Short term debt		1,100,000		1,100,000
Cash proceeds from issuance of common stock					4,760,000	5,000,000
Cash borrowed under a receivable financing facility				207,000		900,000
Proceeds from related party debt				17,959,000
Debt exchange with new consolidated note				5,700,000
Debt conversion,interest rate				9.00%
Debt conversion due date				Apr. 01, 2016
Debt instrument amount		2,700,000		2,700,000
Sales tax include in revenue		603,000	603,000	522,000	522,000
Maturity of temporary cash investments				3 months
Stock options granted	52,500	52,500	0	52,500		0
Stock options strike price	$ 3.02			$ 2.32
Stock options vesting period	3 years
Stock options vesting period beginning date	Apr. 22, 2015
Stock options expiration period	10 years
Anti-dilutive shares		300,000		20,500,000	22,400,000
Level 1
Summary Of Significant Accounting Policies [Line Items]
Cash equivalents at fair value		1,702,000		1,702,000		1,757,000
Series G Redeemable Convertible Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Stock issued in noncash exchange				18,000,000
Series F Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Accrued dividend settled in stock				5,400,000
Incentive Stock Options \| Employees
Summary Of Significant Accounting Policies [Line Items]
Stock options granted	35,000
Nonqualified Stock Options \| Consultants
Summary Of Significant Accounting Policies [Line Items]
Stock options granted	17,500
Tranche C Term Loan
Summary Of Significant Accounting Policies [Line Items]
Proceeds from related party debt				17,900,000
Tranche B loan
Summary Of Significant Accounting Policies [Line Items]
Proceeds from related party debt				10,800,000
Additional
Summary Of Significant Accounting Policies [Line Items]
Debt instrument amount		700,000		700,000
Notes Payable One \| Series G Redeemable Convertible Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Debt exchanged with stock, amount				12,600,000
Issuance of Equity
Summary Of Significant Accounting Policies [Line Items]
Cash proceeds from issuance of convertible preferred stock						10,000,000
Value Lighting
Summary Of Significant Accounting Policies [Line Items]
Net deferred tax liabilities		$ 5,993,000		$ 5,993,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Unamortized licensing fees Period				3 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Unamortized licensing fees Period				10 years