Condensed Statement of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 10,272,757	$ 8,158,723	$ 22,228,360	$ 16,168,812
Cost of goods sold	8,148,888	5,390,335	17,009,273	10,982,107
Gross profit	2,123,869	2,768,388	5,219,087	5,186,705
Operating expenses:
Selling	2,283,490	2,553,600	4,637,733	5,001,113
General and administrative	716,166	556,758	1,544,105	1,124,557
Research and development	644,492	437,876	1,297,244	920,279
Total	3,644,148	3,548,234	7,479,082	7,045,949
Operating loss	(1,520,279)	(779,846)	(2,259,995)	(1,859,244)
Other income (expense):
Interest income	478	3,967	792	4,001
Interest expense	(2,720)	(16,188)	(8,432)	(48,405)
Other, net	892	(156)	443	(1,905)
Total other income (expense)	(1,350)	(12,377)	(7,197)	(46,309)
Loss before income taxes	(1,521,629)	(792,223)	(2,267,192)	(1,905,553)
Income taxes	6,356	12,890	12,672	20,678
Net loss	$ (1,527,985)	$ (805,113)	$ (2,279,864)	$ (1,926,231)
Net loss per share:
Basic and diluted	$ (0.07)	$ (0.04)	$ (0.10)	$ (0.11)
Basic and diluted weighted average shares	22,275,441	19,066,889	21,776,101	17,622,559