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Stock Options, Warrants and 401(k) Savings Plan (Tables)
12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Warrants Outstanding

A summary of outstanding warrants follows:


 

 

 

 

 

 

 

 

Weighted

 

 

 

 

 

 

Exercise

 

 

Average

 

 

 

Number of

 

 

Price Range

 

 

Exercise

 

 

 

Shares

 

 

Per Share

 

 

Price

 

Outstanding at December 31, 2018 and December 31, 2019

 

691,365

 

 

$0.02

 

 

$0.02

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average remaining contractual life (years)

 

.83

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted

 

 

 

 

 

 

 

Exercise

 

 

 

Average

 

 

 

Number of

 

 

 

Price Range

 

 

 

Exercise

 

 

 

Shares

 

 

 

Per Share

 

 

 

Price

 

Exercisable warrants at year end:

 

 

 

 

 

 

 

 

 

 

 

 

2019

 

691,365

 

 

$0.02

 

 

$0.02

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average remaining contractual life (years)

 

.83