CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 5,670,560	$ 1,700,295
Accounts receivable, net of allowance for doubtful accounts of $838,750 and $986,048 at December 31, 2011 and March 31, 2012, respectively.	4,098,834	4,047,059
Prepaid expenses and other current assets	905,383	991,351
Total current assets	10,674,777	6,738,705
Property and equipment, net	1,234,221	1,067,679
Intangible assets	42,000	44,423
Total assets	11,950,998	7,850,807
Current liabilities
Accounts payable	1,866,163	1,492,526
Accrued expenses	399,713	1,149,741
Accrued royalties	453,846	738,832
Accrued payroll and related liabilities	1,243,872	1,362,689
Capital lease obligation current portion	151,251	149,253
Line of credit	1,000,000	1,000,000
Total current liabilities	5,114,845	5,893,041
Capital lease obligation, net of current portion	203,370	240,928
Total liabilities	5,318,215	6,133,969
Commitments and contingencies (Note 5)
Common stock classified outside of stockholders' equity (deficit)	10,976,797	7,854,682
Stockholders' equity (deficit)
Common stock, $0.01 par value; 50,000,000 shares authorized; 19,540,358 and 24,797,625 shares issued and outstanding at December 31, 2011 and March 31, 2012, respectively	170,914	134,327
Additional paid-in capital	48,396,935	43,514,591
Accumulated deficit	(52,644,174)	(49,519,585)
Accumulated other comprehensive loss	(267,689)	(267,177)
Total stockholders' equity (deficit)	(4,344,014)	(6,137,844)
Total liabilities, common stock classified outside of stockholders' equity (deficit) and stockholders' equity (deficit)	$ 11,950,998	$ 7,850,807