CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating activities
Net loss	$ (11,718,353)	$ (4,920,115)	$ (3,797,573)
Adjustments to reconcile net loss to net cash used in operating activities:
Realization of cumulative translation adjustment		(1,227,656)
Share-based compensation expense	1,362,716	1,894,099	2,565,961
Change in fair value of derivative instruments	444,622	(591,039)	(7,144,983)
Depreciation expense	182,487	303,916	461,073
Deferred income taxes	61,746	195,529
Non-cash interest expense	135,162	122,342
Gain on the disposal of assets held for sale			(781,760)
Gain of the disposal of property and equipment	(3,500)	(66,626)
Bad debt recovery			(40,524)
Changes in operating assets and liabilities:
Accounts receivable	1,005,528	1,991,801	20,748
Unbilled accounts receivable	1,914,917	(1,093,234)	987,408
Prepaid expenses and other current assets	282,057	367,149	1,481,150
Accounts payable	(569,120)	251,561	(1,682,461)
Accrued expenses and other liabilities	773,566	(418,076)	(391,904)
Deferred revenue	(1,040,032)	867,443	514,312
Net cash used in operating activities	(7,168,204)	(2,322,906)	(7,808,553)
Investing activities
Purchases of property and equipment	(84,579)		(71,439)
Proceeds from the disposal of assets held for sale			1,758,960
Proceeds from the sale of property and equipment	3,500	67,400
Net cash provided (used) by investing activities	(81,079)	67,400	1,687,521
Financing activities
Proceeds from issuance (repayment) of debt and warrants	(749,997)	2,500,000
Net proceeds from (repayment of) revolving credit agreement	(238,767)	1,330,507
Deferred financing costs		(216,460)
Change in restricted cash requirements		100,000
Proceeds from issuance of common stock, net of offering costs	6,018,891	38,984	5,855,689
Other		(32,960)	(74,361)
Net cash provided by financing activities	5,030,127	3,720,071	5,781,328
Effects of exchange rates on cash	(1,382)	181	(208,852)
Increases (decreases) in cash and cash equivalents	(2,220,538)	1,464,746	(548,556)
Cash and cash equivalents, at beginning of period	12,701,517	11,236,771	11,785,327
Cash and cash equivalents, at end of period	10,480,979	12,701,517	11,236,771
Supplemental disclosure of cash flow information
Cash paid for interest	234,119	220,219	54,573
Cash paid for income taxes			10,630
Noncash Financing activity
Value of warrants issued to lender in connection with loan		69,876
Value of warrants issued in connection with issuance of common stock			$ 668,640