CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net loss	$ (4,839,585)	$ (7,269,739)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	449,183	348,284
Share-based compensation	295,305	683,879
Bad debt expense	1,506,654	897,182
Changes in operating assets and liabilities:
Accounts receivable	(3,052,701)	(1,211,800)
Prepaid expenses and other current assets	34,956	520,632
Accounts payable	(107,824)	(144,285)
Accrued expenses	174,908	(737,351)
Accrued royalties	457,086	(46,201)
Accrued payroll and related liabilities	102,216	(333,672)
Deferred revenue	(483,052)	803,481
Net cash used in operating activities	(5,462,854)	(6,489,572)
Cash flows from investing activities:
Purchases of property and equipment	(241,910)	(312,477)
Purchases of software	(137,499)	(414,277)
Cash paid for purchase of assets	(200,000)	0
Net cash used in investing activities	(579,409)	(726,754)
Cash flows from financing activities:
Net proceeds from issuance of common stock	1,702,271	16,464,965
Capital lease payments	(133,410)	(109,339)
Proceeds from exercise of stock options	23,993	0
Net cash provided by financing activities	1,592,854	16,353,626
Effect of foreign exchange rates on cash and cash equivalents	(2,568)	(394)
Net increase (decrease) in cash and cash equivalents	(4,451,977)	9,138,906
Cash and cash equivalents:
Beginning of period	9,041,478	1,700,295
End of period	4,589,501	10,839,201
Cash paid during the period for:
Interest	65,949	66,556
Supplemental disclosure of non-cash financing activities
Equipment and software acquired under capital leases	239,150	0
Assets acquired by issuance of common stock	$ 980,000	$ 0