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Warrants
 12 Months Ended
Dec. 31, 2018
Warrants and Rights Note Disclosure [Abstract]  
Warrants

15. Warrants


At December 31, 2018 and 2017, 773,336 and 990,162 shares, respectively, of common stock have been reserved for issuance under outstanding warrants. All of the warrants are fully vested and began expiring on March 24, 2013 with the remaining warrants expiring at various dates through October 1, 2019. Information concerning the Company’s warrant activity is as follows:


 

 

2018

 

2017

 

 

 

Warrants

 

Weighted

Average

Exercise

Price

 

Warrants

 

Weighted

Average

Exercise

Price

 

Outstanding, at the beginning of year

     

 

990,162

 

$

0.20

 

 

1,315,340

 

$

0.24

 

Granted

 

 

—

 

 

—

 

 

—

 

 

—

 

Exercised

 

 

—

 

 

—

 

 

—

 

 

—

 

Expired

 

 

(216,826

)

 

(0.35

)

 

(325,178

)

 

(0.35

)

Outstanding, at the end of year

 

 

773,336

 

$

0.16

 

 

990,162

 

$

0.20

 


 

 

 

Warrants Outstanding – December 31, 2018

 

Range of

Exercise Price

 

 

Number

Outstanding

 

 

Remaining Average

Contractual Life

(In Years)

 

 

Weighted Average

Exercise Price

 

$0.05 - $0.25

 

 

 

773,336

 

 

 

1.4

 

 

$

0.16

 

Totals

 

 

 

773,336

 

 

 

1.4

 

 

$

0.16