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12. WARRANTS
 12 Months Ended
Sep. 30, 2020
Warrants Abstract  
WARRANTS

Transactions involving our equity-classified warrants for the fiscal years ending September 30, 2020 and 2019 are summarized as follows: 

 

    Number of shares     Weighted-average exercise price    

Weighted-

average remaining contractual term (in years)

     Aggregate intrinsic value (in thousands)  
Outstanding at September 30, 2018     312,176     $ 6.84              
Issued     111,429       6.06              
Exercised     -       -              
Forfeited     -       -              
Outstanding at September 30, 2019     423,605       6.64              
Issued     527,923       1.49              
Exercised     (37,344 )     1.25              
Forfeited     -       -              
Outstanding at September 30, 2020     914,184     $ 3.88       3.23     $ -  
                                 
Exercisable at September 30, 2020     914,184     $ 3.88       3.23     $ -  

 

The following table summarizes outstanding common stock purchase warrants as of September 30, 2020:

 

    Number of shares     Weighted-average exercise price  

Expiration

               
Exercisable at $7.80 per share     141,676     $ 7.80   September 2021
Exercisable at $4.00 per share     70,500     $ 4.00   September 2022
Exercisable at $7.50 per share     100,000     $ 7.50   October 2022
Exercisable at $4.375 per share     51,429     $ 4.375   September 2023
Exercisable at $7.50 per share     60,000     $ 7.50   May 2024
Exercisable at $3.9125 per share     47,923     $ 3.9125   October 2024
Exercisable at $1.25 per share     442,656     $ 1.25   January 2025
      914,184       3.89