Acquisitions (Narrative) (Details) (USD $)	1 Months Ended				1 Months Ended		1 Months Ended
	Nov. 30, 2012 EnerGov Solutions, L.L.C. [Member]	Apr. 30, 2012 CSA [Member]	Jan. 31, 2012 Akanda Innovation, Inc., [Member]	Dec. 31, 2011 Akanda Innovation, Inc., [Member]	Mar. 31, 2012 Unifund, L.L.C. [Member]	Jun. 30, 2012 CSA And UniFund [Member]	Oct. 31, 2011 Windsor Management Group, L.L.C [Member]	Jan. 31, 2010 Wiznet, Inc. [Member]
Business Acquisition [Line Items]
Total purchase price			$ 2,900,000
Cash acquired from acquisition	15,000	437,000			780,000		7,400,000
Liabilities assumed in acquisition		1,900,000	800,000		1,500,000
Purchase price in cash	10,500,000	9,400,000	2,100,000	900,000,000	4,600,000		16,400,000	9,500,000
Common stock value at acquisition date	2,800,000
Common stock shares value at acquisition	60,000
Tangible assets acquired	2,900,000	1,300,000			745,000
Assumed liabilities in capital stock transaction	2,100,000
Goodwill, which is expected to be deductible for tax purposes	7,200,000	4,600,000	1,000,000		1,100,000	5,700,000
Intangible assets acquired	$ 5,200,000	$ 5,300,000	$ 1,900,000		$ 4,300,000
Amortization period for intangibles			5 years
Weighted average amortization period	9 years	11 years			11 years