Quarterly report pursuant to sections 13 or 15(d)

Acquisitions - Additional Information (Detail)

Acquisitions - Additional Information (Detail) (USD $)	1 Months Ended	9 Months Ended			1 Months Ended	9 Months Ended		1 Months Ended	9 Months Ended	12 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended	1 Months Ended
Acquisitions - Additional Information (Detail) (USD $)	Aug. 22, 2013	Sep. 30, 2013	Sep. 30, 2013 Undistributed	Sep. 30, 2013 Customer Contracts	Mar. 31, 2013 Elite LED Solutions Incorporated	Sep. 30, 2013 Elite LED Solutions Incorporated	Mar. 08, 2013 Elite LED Solutions Incorporated	Dec. 31, 2012 Seesmart Technologies Incorporated	Sep. 30, 2013 Seesmart Technologies Incorporated	Dec. 31, 2012 Seesmart Technologies Incorporated	Dec. 20, 2012 Seesmart Technologies Incorporated	Sep. 30, 2013 Seesmart Technologies Incorporated Distributions	Sep. 30, 2013 Seesmart Technologies Incorporated Distributions	Mar. 31, 2013 Seesmart Technologies Incorporated Convertible debt accelerated under change in control	Jun. 30, 2013 Seesmart Technologies Incorporated Convertible debt accelerated under change in control	Mar. 31, 2013 Seesmart Technologies Incorporated Convertible debt accelerated under change in control Debt Repayment	Dec. 31, 2012 Seesmart Technologies Incorporated Common Stock	Sep. 30, 2013 Seesmart Technologies Incorporated Common Stock Distributions	Sep. 30, 2013 Seesmart Technologies Incorporated Common Stock Distributions	Mar. 31, 2013 Seesmart Technologies Incorporated Common Stock Convertible debt accelerated under change in control Debt Repayment	Dec. 31, 2012 Seesmart Technologies Incorporated Series D Convertible Preferred Stock	Sep. 30, 2013 Seesmart Technologies Incorporated Series D Preferred Stock Distributions	Aug. 22, 2013 Relume Technologies Inc	Sep. 30, 2013 Relume Technologies Inc	Aug. 22, 2013 Relume Technologies Inc Common Stock
Business Acquisition [Line Items]
Business acquisition, cash paid			$ 140,625		$ 500,000			$ 10,100,000				$ 148,009	$ 3,500,000										$ 5,000,000
Business acquisition, net of estimated working capital adjustment																							4,300,000
Business acquisition, number of shares issued			575,620		300,000												7,700,000	0	1,992,996		11,915	738			2,179,545
Business acquisition, value of equity issued																	5,000,000				1,000,000				7,300,000
Proceeds from issuance of Convertible Preferred Stock, net of issuance costs	5,000,000
Cash retained for working capital purposes	700,000
Minimum percentage of Relume's outdoor lighting business	75.00%
Business acquisition, contingent consideration							356,250
Contingent consideration, sales consulting agreement period					5 years
Contingent consideration, monthly fees obligated to be paid					20,000
Contingent consideration, profit sharing percentage					3.00%
Investment and Consulting Agreement, number of common stock to be issued		42,735			850,000
Common stock vesting period					5 years	5 years
Amortization period for customer contracts				1 year
Reduction of goodwill									1,200,000	1,300,000
Preliminary purchase price subject to adjustment											18,300,000
Undistributed consideration and unfunded escrow amount												514,000	514,000
Percentage of premium on convertible debt principal															20.00%
Seesmart notes payable assumed															3,400,000									26,000
Conversion price per share		$ 0.13														$ 0.6959
Conversion of convertible securities, value of shares issued																				1,000,000
Conversion of convertible securities, number of shares issued																				1,479,947
Loss on debt extinguishment																68,000								(4,157,000)
Payment to holders elected to be paid in cash														$ 2,400,000