Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Total revenue	$ 9,106,452	$ 8,703,583	$ 26,780,432	$ 19,805,279
Cost of revenue:
Total cost of revenue	4,371,894	4,025,255	9,497,984	6,061,651
Gross margin	4,734,558	4,678,328	17,282,448	13,743,628
Operating expenses:
Research and development	2,499,789	1,952,641	7,583,908	6,038,753
Sales and marketing	2,910,134	2,822,680	8,902,100	8,279,853
General and administrative	3,944,452	1,466,046	10,335,100	4,962,227
Total operating expenses	9,354,375	6,241,367	26,821,108	19,280,833
Operating loss	(4,619,817)	(1,563,039)	(9,538,660)	(5,537,205)
Interest (expense) income, net	1,258	(9,933)	(5,585)	71,596
Gain on extinguishment of debt			2,182,891
Net loss	(4,618,559)	(1,572,972)	(7,361,354)	(5,465,609)
Cumulative dividend on Series A convertible preferred stock	(338,718)	(343,101)	(1,006,466)	(1,028,950)
Loss attributable to common stockholders	$ (4,957,277)	$ (1,916,073)	$ (8,367,820)	$ (6,494,559)
Net loss per share attributable to common stockholders:
Basic	$ (0.07)	$ (0.03)	$ (0.11)	$ (0.09)
Diluted	$ (0.07)	$ (0.03)	$ (0.11)	$ (0.09)
Weighted average number of common shares and equivalents:
Basic	75,700,389	74,488,771	75,476,381	72,004,956
Diluted	75,700,389	74,488,771	75,476,381	72,004,956
Systems [Member]
Revenue:
Total revenue	$ 3,541,360	$ 2,953,005	$ 8,830,052	$ 2,965,774
Cost of revenue:
Total cost of revenue	3,374,857	3,031,440	6,199,980	3,253,976
Disposables Service And Accessories [Member]
Revenue:
Total revenue	5,318,562	5,504,048	17,210,790	16,099,915
Cost of revenue:
Total cost of revenue	750,507	747,285	2,558,414	2,068,085
Sublease [Member]
Revenue:
Total revenue	246,530	246,530	739,590	739,590
Cost of revenue:
Total cost of revenue	$ 246,530	$ 246,530	$ 739,590	$ 739,590