CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 2,532,009	$ 4,120,074
Accounts receivable	5,096,486	4,733,698
Prepaid expenses and other current assets	793,738	941,981
Total current assets	8,422,233	9,795,753
Property and equipment, net	1,033,565	698,755
Intangible assets, net	46,846	107,062
Total assets	9,502,644	10,601,570
Current liabilities
Accounts payable	1,200,455	1,247,151
Accrued expenses	288,589	1,075,636
Accrued royalties	477,890	809,694
Accrued payroll and related liabilities	1,096,174	1,271,037
Capital lease obligation	102,101
Deferred revenue	485,451	1,518,696
Total current liabilities	3,650,660	5,922,214
Deferred revenue, net of current portion		100,070
Capital lease obligation net of current portion	226,858
Total liabilities	3,877,518	6,022,284
Commitments and contingencies (Note 5)
Common stock classified outside of stockholders' equity (deficit)	7,854,682	7,854,682
Stockholders' equity (deficit)
Common stock, $0.01 par value; 50,000,000 shares authorized; 18,357,406 and 19,537,232 shares issued and outstanding at December 31, 2010 and September 30, 2011, respectively	134,327	122,942
Additional paid-in capital	43,490,116	40,612,785
Accumulated deficit	(45,576,937)	(43,817,163)
Accumulated other comprehensive loss	(277,062)	(193,960)
Total stockholders' equity (deficit)	(2,229,556)	(3,275,396)
Total liabilities and stockholders' equity (deficit)	$ 9,502,644	$ 10,601,570