CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 11,402,935	$ 8,500,718
Accounts receivable, net	2,012,153	297,958
Prepaid expenses	239,092	247,207
Inventory, net	101,339	39,788
Total current assets	13,755,519	9,085,671
Furniture and equipment, net	360,206	357,532
Intangible assets, net	1,822,328	1,920,645
Deferred financing costs	570,500	351,961
Other assets	52,647	48,193
Total assets	16,561,200	11,764,002
Current liabilities
Accounts payable	580,541	594,357
Accrued expenses	1,900,284	444,861
Payroll liabilities	840,228	1,056,705
Short-term lease obligations	72,338	76,025
Other current liabilities	20,272	42,228
Total current liabilities	3,413,663	2,214,176
Deferred rent, net of current portion	10,019	2,483
Long-term lease obligations	12,531	49,216
Total liabilities	$ 3,436,213	$ 2,265,875
Commitments and contingencies (note 13)
Stockholders' equity
Preferred stock - $.001 par value; 10,000,000 shares authorized, 0 shares issued and outstanding	$ 0	$ 0
Common stock - $.001 par value; 75,000,000 shares authorized, 29,046,260 and 24,564,058 shares issued and outstanding	29,046	24,564
Additional paid-in capital	54,751,098	44,648,103
Accumulated deficit	(41,655,157)	(35,174,540)
Total stockholders' equity	13,124,987	9,498,127
Total liabilities and stockholders' equity	$ 16,561,200	$ 11,764,002