Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Schedule of Revenue Disaggregated by Type

	Three Months Ended March 31,
	2021		2020
Systems	$	2,602,512	$	-
Disposables, service and accessories		5,773,516		5,509,711
Sublease		246,530		246,530
Total revenue	$	8,622,558	$	5,756,241

Summary of Contract Assets and Liabilities

The following information summarizes the Company’s contract assets and liabilities:

	March 31, 2021			December 31, 2020
Contract Assets - unbilled receivables	$	207,964		$	284,415
Customer deposits	$	1,955,573		$	-
Product shipped, revenue deferred		1,547,957			645,200
Deferred service and license fees		6,013,038			5,186,485
Total deferred revenue	$	9,516,568		$	5,831,685
Less: Long-term deferred revenue		(1,328,272	)		(548,915	)
Total current deferred revenue	$	8,188,296		$	5,282,770

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted EPS:

	Three Months Ended March 31,
	2021			2020
Net loss	$	(1,532,397	)	$	(1,971,531	)
Cumulative dividend on Series A Convertible Preferred Stock		(332,551	)		(343,723	)
Net loss attributable to common stockholders	$	(1,864,948	)	$	(2,315,254	)
Weighted average number of common shares and equivalents:		75,175,412			69,870,040
Basic EPS	$	(0.02	)	$	(0.03	)
Diluted EPS	$	(0.02	)	$	(0.03	)