CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 1,700,295	$ 4,120,074
Accounts receivable, net of allowance for doubtful accounts of $113,868 and $838,750 at December 31, 2010 and 2011, respectively	4,047,059	4,733,698
Prepaid expenses and other current assets	991,351	941,981
Total current assets	6,738,705	9,795,753
Property and equipment, net	1,067,679	805,817
Intangible assets	44,423
Total assets	7,850,807	10,601,570
Current liabilities:
Accounts payable	1,492,526	1,247,151
Accrued expenses	1,149,741	1,075,636
Accrued royalties	738,832	809,694
Accrued payroll and related liabilities	1,362,689	1,271,037
Capital lease obligation current portion	149,253
Deferred revenue		1,518,696
Line of credit	1,000,000
Total current liabilities	5,893,041	5,922,214
Deferred revenue, net of current portion		100,070
Capital lease obligation, net of current portion	240,928
Total liabilities	6,133,969	6,022,284
Commitments and contingencies (Note 5)
Common stock classified outside of stockholders' equity (deficit) (Note 13)	7,854,682	7,854,682
Stockholders' equity (deficit):
Common stock, $0.01 par value; 50,000,000 shares authorized; 18,357,406 and 19,540,358 shares issued and outstanding at December 31, 2010 and 2011, respectively	134,327	122,942
Additional paid-in capital	43,514,591	40,612,785
Accumulated deficit	(49,519,585)	(43,817,163)
Accumulated other comprehensive loss	(267,177)	(193,960)
Total stockholders' equity (deficit)	(6,137,844)	(3,275,396)
Total liabilities, common stock classified outside of stockholders' equity (deficit) and stockholders' equity (deficit)	$ 7,850,807	$ 10,601,570