Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of U.S. and foreign loss

	December 31,
	2019			2018
United States	$	(20,943,703	)	$	(25,882,114	)
Foreign		(550,149	)		(947,516	)
Total	$	(21,493,853	)	$	(26,829,630	)

Schedule of deferred tax assets

	December 31,
	2019			2018
Net operating loss carryforwards – Federal	$	33,494,000		$	29,303,000
Net operating loss carryforwards – State		6,171,000			8,441,000
Net operating loss carryforwards – Foreign		2,128,000			1,876,000
Capitalized licensing fees		757,000			912,000
Stock-based compensation		2,892,000			2,447,000
Accrued compensation		349,000			307,000
Other		24,000			110,000
Totals		45,815,000			43,396,000
Less valuation allowance		(45,815,000	)		(43,396,000	)
Deferred tax assets	$	-		$	-

Schedule of net operating loss tax carryforwards

	December 31,
	2019		2018
Federal	$	155,400,000	$	139,538,000
State	$	82,700,000	$	118,719,000
Foreign	$	7,091,000	$	6,250,000

Schedule of effective income tax rate reconciliation

	December 31,
	2019			2018
Statutory federal tax rate		21.0	%		21.0	%
State income tax rate (net of federal)		7.2	%		4.5	%
Effect of foreign operations		0.8	%		1.1	%
Federal deferred tax rate change		0.1	%		0.0	%
NJ NOL adjustment		6.2	%		0.0	%
Other permanent differences		(0.4	)%		(0.3	)%
Effect of valuation allowance		(11.3	)%		(26.3	)%
Effective tax rate		23.6	%		0.0	%

Schedule of changes in deferred tax asset valuation allowance

Year Ended	Balance at Beginning of Year		Increase (Decrease) Charged (Credited) to Income Taxes (Benefit)		Increase (Decrease) Charged (Credited) to OCI			Balance at End of Year
December 31, 2019	$	43,396,000	$	2,449,000	$	(30,000	)	$	45,815,000
December 31, 2018	$	36,346,000	$	7,082,000	$	(32,000	)	$	43,396,000