UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenue	$ 15,984,293	$ 12,976,058	$ 44,205,054	$ 37,961,023
Cost of revenue	10,467,590	8,074,445	29,602,823	26,338,527
Gross profit	5,516,703	4,901,613	14,602,231	11,622,496
Operating expenses:
General and administrative	1,920,574	1,817,499	5,726,978	6,208,922
Marketing and selling	1,570,135	1,103,384	4,217,328	3,137,833
Research and development	999,715	1,001,288	2,839,965	3,213,339
Total operating expenses	4,490,424	3,922,171	12,784,271	12,560,094
Income (loss) from operations	1,026,279	979,442	1,817,960	(937,598)
Other income (expense), net:
Interest income	92,105	143,931	159,203	267,911
Interest expense	(128,315)	(174,205)	(447,328)	(393,175)
Other income (expense), net	(9,693)	(33,625)	1,484,676	(38,598)
Total other (expense) income, net	(45,903)	(63,899)	1,196,551	(163,862)
Income (loss) before income taxes	980,376	915,543	3,014,511	(1,101,460)
(Benefit) provision for income taxes	(320)	57,753	295,495	(851,056)
Net income (loss)	$ 980,696	$ 857,790	$ 2,719,016	$ (250,404)
Net income (loss) per share:
Basic	$ 0.05	$ 0.05	$ 0.15	$ (0.02)
Diluted	$ 0.05	$ 0.05	$ 0.14	$ (0.02)
Weighted average common shares outstanding:
Basic	18,636,337	16,585,773	18,170,700	16,469,457
Diluted	19,963,270	17,018,614	19,466,023	16,469,457