CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 4,589,501	$ 9,041,478
Accounts receivable, net of allowance for doubtful accounts of $991,990 and $1,159,756 at December 31, 2012 and September 30, 2013, respectively.	7,176,071	5,373,023
Prepaid expenses and other current assets	575,006	576,112
Total current assets	12,340,578	14,990,613
Property and equipment, net	1,892,235	1,023,198
Intangible assets, net	764,897	575,409
Total assets	14,997,710	16,589,220
Current liabilities
Accounts payable	1,083,297	1,191,122
Accrued expenses	518,821	343,913
Accrued royalties	1,169,862	712,776
Accrued payroll and related liabilities	1,484,481	1,382,265
Capital lease obligation, current portion	192,441	158,669
Deferred revenue	0	483,052
Line of credit, current	0	1,000,000
Total current liabilities	4,448,902	5,271,797
Capital lease obligation, net of current portion	155,878	83,910
Line of credit, non-current	1,000,000	0
Total liabilities	5,604,780	5,355,707
Commitments and contingencies (Note 5)
Common stock classified outside of stockholders’ equity (deficit)	5,500,000	11,775,724
Stockholders’ equity (deficit)
Common stock, $0.01 par value; 50,000,000 shares authorized; 32,797,625 and 34,248,453 shares issued and outstanding at December 31, 2012 and September 30, 2013, respectively	292,541	232,414
Additional paid-in capital	65,983,201	56,766,036
Accumulated deficit	(62,116,248)	(57,276,664)
Accumulated other comprehensive loss	(266,564)	(263,997)
Total stockholders’ equity (deficit)	3,892,930	(542,211)
Total liabilities, common stock classified outside of stockholders’ equity (deficit) and stockholders’ equity (deficit)	$ 14,997,710	$ 16,589,220