Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 8,118,627	$ 4,329,459	$ 18,579,447	$ 11,729,727
Cost of revenue	5,698,766	3,466,159	13,952,413	9,424,994
Gross profit	2,419,861	863,300	4,627,034	2,304,733
Operating expenses:
Research and development	518,007	445,807	1,397,408	1,187,516
Selling	289,800	237,934	894,740	602,836
General and administrative	1,489,779	1,101,883	3,936,734	4,138,416
Total operating expenses	2,297,586	1,785,624	6,228,882	5,928,768
Operating income (loss)	122,275	(922,324)	(1,601,848)	(3,624,035)
Other income (expense):
Interest income	43,050	1,776	73,979	3,402
Interest expense	(159)	(35,973)	(5,502)	(250,194)
Gain on sale of building	0	6,894,109	0	6,894,109
Gain on debt extinguishment	0	0	0	2,443,418
Foreign exchange loss	(107,000)	0	(250,000)	0
Other income	5,437	63,143	11,057	499,970
Total other income, net	(58,672)	6,923,055	(170,466)	9,590,705
Income (loss) before income taxes	63,603	6,000,731	(1,772,314)	5,966,670
Income tax expense	65	27,327	890	28,391
Net income (loss)	$ 63,538	$ 5,973,404	$ (1,773,204)	$ 5,938,279
Income (loss) per common share - basic (in dollars per share)	$ 0.01	$ 0.89	$ (0.26)	$ 0.89
Income (loss) per common share - diluted (in dollars per share)	$ 0.01	$ 0.89	$ (0.26)	$ 0.89
Basic (in shares)	6,736,764	6,685,599	6,730,263	6,683,407
Diluted (in shares)	6,740,692	6,707,883	6,730,263	6,691,813