Stock Options, Warrants and 401(k) Savings Plan (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Warrants Outstanding

A summary of outstanding warrants follows:

				Weighted
		Exercise		Average
	Number of	Price Range		Exercise
	Shares	Per Share		Price
Outstanding at December 31, 2016	721,365	$0.01 to $0.07		$0.021
Warrants exercised	17,700	0.01 to 0.03		0.021
Warrants expired	12,300	0.06 and 0.07		0.063
Outstanding at December 31, 2017 and December 31, 2018	691,365	$0.02		$0.02
Weighted average remaining contractual life (years)	1.83
					Weighted
			Exercise		Average
			Price Range		Exercise
	Shares		Per Share		Price
Exercisable warrants at year end:
2018	691,365	$0.02		$0.02
Weighted average remaining contractual life (years)	1.83