Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue:
Total revenue	$ 9,051,422	$ 5,345,455	$ 17,673,980	$ 11,101,696
Sublease	246,530	246,530	493,060	493,060
Cost of revenue:
Total cost of revenue	2,519,407	1,084,981	5,126,090	2,036,396
Sublease	246,530	246,530	493,060	493,060
Gross margin	6,532,015	4,260,474	12,547,890	9,065,300
Operating expenses:
Research and development	2,717,078	1,976,942	5,084,119	4,086,112
Sales and marketing	3,044,750	2,541,749	5,991,966	5,457,173
General and administrative	4,160,909	1,663,456	6,390,648	3,496,181
Total operating expenses	9,922,737	6,182,147	17,466,733	13,039,466
Operating loss	(3,390,722)	(1,921,673)	(4,918,843)	(3,974,166)
Interest (expense) income, net	(2,567)	567	(6,843)	81,529
Gain on extinguishment of debt	2,182,891		2,182,891
Net loss	(1,210,398)	(1,921,106)	(2,742,795)	(3,892,637)
Cumulative dividend on Series A convertible preferred stock	(335,197)	(342,126)	(667,748)	(685,849)
Loss attributable to common stockholders	$ (1,545,595)	$ (2,263,232)	$ (3,410,543)	$ (4,578,486)
Net loss per share attributable to common stockholders:
Basic	$ (0.02)	$ (0.03)	$ (0.05)	$ (0.06)
Diluted	$ (0.02)	$ (0.03)	$ (0.05)	$ (0.06)
Weighted average number of common shares and equivalents:
Basic	75,547,574	71,628,762	75,362,521	70,749,401
Diluted	75,547,574	71,628,762	75,362,521	70,749,401
Systems [Member]
Revenue:
Total revenue	$ 2,686,180	$ 12,769	$ 5,288,692	$ 12,769
Cost of revenue:
Total cost of revenue	1,389,588	157,514	2,825,123	222,536
Dispsables service and accesories [Member]
Revenue:
Total revenue	6,118,712	5,086,156	11,892,228	10,595,867
Cost of revenue:
Total cost of revenue	$ 883,289	$ 680,937	$ 1,807,907	$ 1,320,800