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Stockholders Equity (Tables)
 9 Months Ended
Sep. 30, 2022
Stockholders Equity (Tables)  
Common Stock Purchase Warrant Transactions

The activity in stock purchase warrants is as follows:

 

Number of

Warrants

 

 

Exercise Prices

 

Balance December 31, 2020

 

 

426,788

 

 

$

 2.52-5.60

 

Issued

 

 

289,294

 

 

$

 5.60-7.00

 

Exercised

 

 

(46,615)

 

$2.52

 

Balance December 31, 2021

 

 

669,467

 

 

$

 2.52-7.00

 

Expired

 

 

(185,304)

 

$

 2.52-5.60

 

Exercised

 

 

(194,869)

 

$

 2.52-5.60

 

Balance September 30, 2022

 

 

289,294

 

 

$

 5.60-7.00

 
Warrant Expirations

 

 

 

These warrants expire as follows:

 

Shares

 

 

Exercise Price

 

 

Expiration Date

 

 

 

 

235,722

 

 

$5.60

 

 

October 14, 2023

 

 

 

 

53,572

 

 

$7.00

 

 

November 12, 2023

 

 

 

 

289,294