Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Schedule of Revenue Disaggregated by Type

	Three Months Ended June 30				Six Months Ended June 30,
	2020		2019		2020		2019
Systems	$	12,769	$	-	$	12,769	$	58,051
Disposables, service and accessories		5,086,156		6,546,115		10,595,867		13,256,873
Sublease		246,530		251,996		493,060		493,061
Total revenue	$	5,345,455	$	6,798,111	$	11,101,696	$	13,807,985

Summary of Contract Assets and Liabilities

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

	June 30, 2020			December 31, 2019
Contract Assets - Unbilled Receivables	$	244,304		$	168,445
Customer deposits		597,000			-
Product shipped, revenue deferred		645,200			674,324
Deferred service and license fees		4,723,167			4,972,389
Total deferred revenue		5,965,367			5,646,713
Less: Long-term deferred revenue		(508,772	)		(554,258	)
Total current deferred revenue	$	5,456,595		$	5,092,455

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 June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Net loss	$	(1,921,106	)	$	(1,427,718	)	$	(3,892,637	)	$	(3,550,538	)
Cumulative dividend on convertible preferred stock		(342,126	)		(357,194	)		(685,849	)		(710,704	)
Net loss attributable to common stockholders	$	(2,263,232	)	$	(1,784,912	)	$	(4,578,486	)	$	(4,261,242	)
Weighted average number of common shares and equivalents:		71,628,762			60,052,673			70,749,401			59,936,606
Basic EPS	$	(0.03	)	$	(0.03	)	$	(0.06	)	$	(0.07	)
Diluted EPS	$	(0.03	)	$	(0.03	)	$	(0.06	)	$	(0.07	)