Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Product sales	$ 5,293,075	$ 2,963,411	$ 14,285,811	$ 7,887,377
Cost of product sales	1,606,303	1,095,724	4,506,911	2,980,965
Gross profit	3,686,772	1,867,687	9,778,900	4,906,412
Operating expenses
Research and development	312,000	293,093	983,066	898,451
Sales and marketing	725,201	488,688	1,977,871	1,547,087
General and administrative	1,454,573	1,118,251	4,198,474	3,298,461
Total operating expenses	2,491,774	1,900,032	7,159,411	5,743,999
Operating income (loss)	1,194,998	(32,345)	2,619,489	(837,587)
Other income (expenses), net
Interest income	79,773	103	120,728	227
Interest expense	(1,313)	(1,077)	(3,545)	(188,992)
Write-off of deferred financing costs		(67,664)		(67,664)
Amortization of debt discount				(155,996)
Loss from equity-method investment in SAVSU	(42,689)	(217,735)	(363,243)	(707,208)
Total other income (expenses), net	35,771	(286,373)	(246,060)	(1,119,633)
Net income (loss) before provision for income taxes	1,230,769	(318,718)	2,373,429	(1,957,220)
Income taxes
Net income (loss) after provision for income taxes	1,230,769	(318,718)	2,373,429	(1,957,220)
Less: Preferred stock dividends	(79,675)	(106,250)	(279,183)	(106,250)
Net income (loss) attributable to common stockholders	$ 1,151,094	$ (424,968)	$ 2,094,246	$ (2,063,470)
Basic net income (loss) per common share (in dollars per share)	$ 0.07	$ (0.03)	$ 0.13	$ (0.16)
Diluted net income (loss) per common share (in dollars per share)	$ 0.05	$ (0.03)	$ 0.10	$ (0.16)
Weighted average shares outstanding used to compute basic earnings per share (in shares)	17,273,412	13,238,248	15,529,026	13,102,238
Weighted average shares outstanding used to compute diluted earnings per share (in shares)	23,656,633	13,238,248	21,051,219	13,102,238