Acquisitions - Additional Information (Detail) (USD $)	12 Months Ended			0 Months Ended	1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Aug. 29, 2014	Dec. 31, 2014	Nov. 30, 2012	Apr. 30, 2012	Mar. 31, 2012	Jan. 31, 2012	Dec. 31, 2011	Jan. 30, 2015
Business Acquisition [Line Items]
Purchase price in cash	$ 3,242,000	$ 181,000	$ 25,680,000
Record Holdings Pty Limited | Convertible Preferred Stock | Subsequent Event [Member]
Business Acquisition [Line Items]
Investment											15,000,000
Investment percentage											20.00%
SoftCode, Inc. [Member]
Business Acquisition [Line Items]
Cash acquired from acquisition				71,000
Purchase price in cash				3,500,000
Accrued purchase price	325,000
Number of common stock shares valued at acquisition				16,540
Common stock value at acquisition date				1,500,000
Tangible assets acquired	301,000				301,000
Liabilities assumed in acquisition	531,000				531,000
Goodwill, which is expected to be deductible for tax purposes	3,100,000				3,100,000
Intangible assets acquired	2,100,000				2,100,000
Purchase price allocation goodwill amount	3,131,000				125,000
Weighted average amortization period	8 years
EnerGov Solutions, L.L.C. [Member]
Business Acquisition [Line Items]
Cash acquired from acquisition						15,000
Purchase price in cash						10,500,000
Number of common stock shares valued at acquisition						60,000
Common stock value at acquisition date						2,800,000
CSA [Member]
Business Acquisition [Line Items]
Cash acquired from acquisition							437,000
Purchase price in cash							9,400,000
UniFund, L.L.C. [Member]
Business Acquisition [Line Items]
Cash acquired from acquisition								780,000
Purchase price in cash								4,600,000
Akanda Innovation, Inc. [Member]
Business Acquisition [Line Items]
Purchase price in cash									2,100,000	900,000
Liabilities assumed in acquisition									800,000
Total Purchase price									$ 2,900,000