Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenue	$ 606,619	$ 608,981	$ 2,317,034	$ 1,554,529
Cost of revenue	194,375	193,577	621,237	502,103
Gross margin	412,244	415,404	1,695,797	1,052,426
Operating expenses:
Research and development	544,679	449,673	1,615,831	1,309,014
Selling, general and administrative	2,692,613	2,674,160	8,294,153	7,536,802
Total operating expenses	3,237,292	3,123,833	9,909,984	8,845,816
Loss from operations	(2,825,048)	(2,708,429)	(8,214,187)	(7,793,390)
Other expense (income)
Change in fair value of derivative liabilities	(14,536)	(13,310)	(155,955)	(31,278)
Interest (income) and other expense, net	(22,394)	(45,297)	(106,727)	(137,327)
Total other expense (income)	(36,930)	(58,607)	(262,682)	(168,605)
Net loss	$ (2,788,118)	$ (2,649,822)	$ (7,951,505)	$ (7,624,785)
Weighted average number of common shares outstanding:
Basic and diluted	17,158,731	12,415,494	16,412,754	12,244,075
Net loss per share
Basic and diluted	$ (0.16)	$ (0.21)	$ (0.48)	$ (0.62)