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STOCK OPTIONS AND WARRANTS (Tables) | 12 Months Ended
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Sep. 30, 2021
STOCK OPTIONS AND WARRANTS |
Schedule of transactions involving warrants | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted Average
​ | ​ | Number of | ​ | Exercise Price Per
​ |  | Shares |  | Share
Balance at October 1, 2020 |  | 1,038,919 | ​ | $ | 10.83
Granted |  | 259,000 | ​ |  | 7.14
Exercised |  | (520,151) | ​ |  | (5.25)
Cancelled or expired |  | (32,500) | ​ |  | (171.56)
Balance, September 30, 2021 |  | 745,268 | ​ | $ | 6.44
​
Schedule of summary of transactions involving stock options issued to employees | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | ​ |  | Weighted
​ | ​ | ​ | ​ | Weighted Average | ​ | Aggregate | ​ | Average
​ | ​ | Number of | ​ | Exercise Price Per | ​ | Intrinsic | ​ | Contractual
​ |  | Shares |  | Share |  | Value |  | Life (years)
Outstanding at October 1, 2020 |  | 320,990 | ​ | $ | 57.75 |  |  |  |
Granted |  | 203,405 | ​ |  | 6.15 |  |  |  |
Exercised |  | 30,955 | ​ | ​ | 4.39 |  |  |  |
Cancelled or expired |  | 6,063 | ​ | ​ | 5.01 |  |  |  |
Outstanding at September 30, 2021 |  | 487,377 | ​ | ​ | 40.26 |  |  |  |
Vested at September 30, 2021 |  | 478,627 | ​ | ​ | 40.90 | ​ | — |  | 7.54
Non-vested at September 30, 2021 |  | 8,750 | ​ | ​ | 5.46 | ​ | — | ​ | 8.71
Schedule of fair value of options granted | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020 |
Stock price | ​ | $ | 6.43 | ​ | $ | 8.40 | ​
Exercise price | ​ | $ | 6.43 | ​ | $ | 8.45 | ​
Expected term | ​ | ​ | 5.10 | ​ |  | 6.85 | ​
Dividend yield | ​ |  | — | ​ |  | — | ​
Volatility | ​ |  | 141 | % |  | 136 | %
Risk free rate | ​ |  | 0.47 | % |  | 0.86 | %

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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