Statements Of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Net loss	$ (2,274,301)	$ (3,135,581)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation	97,394	70,256
Amortization of intangibles	49,830	74,959
Amortization of deferred finance costs	54,937	55,793
Share-based compensation	270,102	326,444
Adjustment of warrants	(31,294)	892,377
Changes in operating assets and liabilities:
Accounts receivable	(21,190)	(1,256,119)
Inventories	57,919	(4,179)
Prepaid expenses and other current assets	(407,930)	92,225
Other assets	(648)	35,983
Accounts payable	202,111	250,495
Accrued liabilities	(812,995)	(263,221)
Deferred revenue	(1,045,958)	(352,450)
Other liabilities	(5,170)	(75,682)
Net cash used in operating activities	$ (3,867,193)	(3,288,700)
Cash flows from investing activities
Purchase of equipment		(52,410)
Net cash used in investing activities		(52,410)
Cash flows from financing activities
Payments of deferred financing costs	$ (100,000)
Proceeds from (payments to) Healthcare Royalty Partners debt	(30,830)	(68,869)
Proceeds from issuance of stock, net of issuance costs	7,392	578,211
Net cash provided by (used in) financing activities	(123,438)	509,342
Net increase (decrease) in cash and cash equivalents	(3,990,631)	(2,831,768)
Cash and cash equivalents at beginning of period	5,593,582	7,270,301
Cash and cash equivalents at end of period	$ 1,602,951	$ 4,438,533