Acquisition (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2009
Acquisition [Abstract]
Business acquisition effective date	May 1, 2009
Aggregate consideration	$ 13,825,000
Payment in cash	4,613,000
Common Stock related to acquisition, shares		99,000
Shares issue pursuant to acquisition		4,494,000
Future issuance, shares	397,000
Value of shares issuable	3,311,000
Certain debt obligation	4,718,000
Tangible assets in accounts receivable	8,998,000
Amortizable intangible assets	5,700,000
Goodwill	1,936,000
Current liabilities	$ 2,809,000