Condensed Consolidated Statement of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net sales	$ 12,027,457	$ 10,874,149	$ 34,255,817	$ 27,042,961
Cost of goods sold	8,150,901	7,746,821	25,160,174	18,728,928
Gross profit	3,876,556	3,127,328	9,095,643	8,314,033
Operating expenses:
Selling	2,012,314	2,067,728	6,650,047	7,068,841
General and administrative	1,468,187	733,486	3,012,292	1,858,043
Research and development	728,258	563,881	2,025,502	1,484,160
Total	4,208,759	3,365,095	11,687,841	10,411,044
Operating loss	(332,203)	(237,767)	(2,592,198)	(2,097,011)
Other income (expense):
Interest income	272	5,626	1,064	9,627
Interest expense	(5,420)	0	(13,852)	(48,405)
Other, net	(1,150)	36,156	(707)	34,251
Total other income (expense)	(6,298)	41,782	(13,495)	(4,527)
Loss before income taxes	(338,501)	(195,985)	(2,605,693)	(2,101,538)
Income taxes	2,920	3,641	15,592	24,319
Net loss	$ (341,421)	$ (199,626)	$ (2,621,285)	$ (2,125,857)
Net loss per share:
Basic and diluted	$ (0.01)	$ (0.01)	$ (0.12)	$ (0.11)
Basic and diluted weighted average common and common equivalent shares	23,887,718	20,832,174	22,419,823	18,696,083