CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating activities
Net loss	$ (2,679,888)	$ (2,075,657)
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of derivative instruments	991,662	(2,488,465)
Depreciation and amortization expense	85,910	117,629
Gain on the disposal of property and equipment	(66,626)
Deferred income tax expenses	150,405
Share-based compensation expense	548,664	710,625
Changes in operating assets and liabilities:
Accounts receivable	3,278,062	2,977,613
Unbilled accounts receivable	(1,254,867)	(2,478,570)
Prepaid expenses and other current assets	137,362	667,991
Accounts payable	(35,280)	745,895
Accrued expenses and other liabilities	(364,034)	(264,335)
Net cash provided by (used in) operating activities	791,370	(2,087,274)
Investing activities
Proceeds from the sale of property and equipment	67,400
Net cash provided by investing activities	67,400
Financing activities
Proceeds from issuance of long term debt	2,500,000
Proceeds from revolving credit agreement	857,808
Deferred financing costs	(220,234)
Change in restricted cash requirements	100,000
Proceeds from issuance of common stock		82,478
Other	(32,960)	(69,718)
Net cash provided by financing activities	3,204,614	12,760
Effects of exchange rates on cash	4,034	(2,564)
Increases (decreases) in cash and cash equivalents	4,067,418	(2,077,078)
Cash and cash equivalents, at beginning of period	11,236,771	11,785,327
Cash and cash equivalents, at end of period	15,304,189	9,708,249
Supplemental disclosure of cash flow information
Cash paid for interest	3,028	15,435
Noncash financing activates
Warrants issued to lender in connection with loan	$ 69,876