CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 2,562,262	$ 1,700,295
Accounts receivable, net of allowance for doubtful accounts of $838,750 and $607,858 at December 31, 2011 and June 30, 2012, respectively.	4,022,555	4,047,059
Prepaid expenses and other current assets	639,044	991,351
Total current assets	7,223,861	6,738,705
Property and equipment, net	1,157,657	1,067,679
Intangible assets	99,477	44,423
Total assets	8,480,995	7,850,807
Current liabilities
Accounts payable	1,203,525	1,492,526
Accrued expenses	297,639	1,149,741
Accrued royalties	488,721	738,832
Accrued payroll and related liabilities	1,126,297	1,362,689
Capital lease obligation current portion	154,989	149,253
Line of credit	1,000,000	1,000,000
Total current liabilities	4,271,171	5,893,041
Capital lease obligation, net of current portion	163,193	240,928
Total liabilities	4,434,364	6,133,969
Commitments and contingencies (Note 5)
Common stock classified outside of stockholders' equity (deficit)	10,925,724	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 June 30, 2012, respectively	170,914	134,327
Additional paid-in capital	48,593,311	43,514,591
Accumulated deficit	(55,373,835)	(49,519,585)
Accumulated other comprehensive loss	(269,483)	(267,177)
Total stockholders' equity (deficit)	(6,879,093)	(6,137,844)
Total liabilities, common stock classified outside of stockholders' equity (deficit) and stockholders' equity (deficit)	$ 8,480,995	$ 7,850,807