Statements Of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net earnings (loss)	$ 1,176,967	$ (2,274,301)
Adjustments to reconcile net earnings (loss) to cash used in operating activities:
Depreciation	140,848	97,394
Amortization of intangibles	49,831	49,830
Amortization of deferred finance costs	24,657	54,937
Share-based compensation	243,161	270,102
Loss on asset disposal	14,598
Adjustment of warrants	(3,129,308)	(31,294)
Changes in operating assets and liabilities:
Accounts receivable	(650,976)	(21,190)
Inventories	(277,266)	57,919
Prepaid expenses and other current assets	18,809	(407,930)
Other assets	(2,153)	(648)
Accounts payable	(407,899)	202,111
Accrued liabilities	(405,468)	(812,995)
Deferred revenue	536,756	(1,045,958)
Other liabilities	136	(5,170)
Net cash used in operating activities	(2,667,307)	(3,867,193)
Cash flows from investing activities
Purchase of fixed assets	(4,297)
Net cash used in investing activities	(4,297)
Cash flows from financing activities
Payments of deferred financing costs	(100,000)	(100,000)
Proceeds from (payments of) Healthcare Royalty Partners debt		(30,830)
Proceeds from issuance of stock, net of issuance costs	9,336	7,392
Net cash provided by (used in) financing activities	(90,664)	(123,438)
Net increase (decrease) in cash and cash equivalents	(2,762,268)	(3,990,631)
Cash and cash equivalents at beginning of period	8,501,392	5,593,582
Cash and cash equivalents at end of period	$ 5,739,124	$ 1,602,951