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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2022
Stock-Based Compensation |
Summary of assumptions used for estimating fair value | ​
​ | ​ | ​ | ​ | ​
​ |  | 2022 |
Exercise price | ​ | $ | 2.60 | ​
Expected dividends | ​ |  | 0 | %
Expected volatility | ​ |  | 95 | %
Risk free interest rate | ​ |  | 2.65 | %
Expected life of option (years) | ​ |  | 4.3 | ​
Summary of stock option activity | A summary of stock option activity for the nine months ended September 30, 2022 and the year ended December 31, 2021 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted |  | Weighted Average |  | Aggregate
​ | ​ | ​ | ​ | Average Exercise | ​ | Remaining | ​ | Intrinsic
​ |  | Options |  | Price |  | Contractual Life |  | Value
Balance - December 31, 2020 |  | 399,779 | ​ | $ | 23.52 |  | 6.09 years | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Granted |  | 226,000 | ​ | ​ | 3.30 |  | ​ | ​ |  | ​
Exercised |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​
Expired |  | (214) | ​ | ​ | 431.50 |  | ​ | ​ |  | ​
Forfeited |  | — | ​ | ​ | — |  | ​ | ​ |  | ​
Balance - December 31, 2021 | ​ | 625,565 | ​ | ​ | 16.12 | ​ | 5.58 years | ​ | ​ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Granted | ​ | 3,000 | ​ | ​ | 2.60 | ​ | ​ | ​ | ​ | ​
Exercised | ​ | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​
Expired | ​ | (6,654) | ​ | ​ | 39.92 | ​ | ​ | ​ | ​ | ​
Forfeited | ​ | (14,541) | ​ | ​ | 3.61 | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance - September 30, 2022 - outstanding |  | 607,370 | ​ | $ | 16.09 |  | 4.82 years | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance - September 30, 2022 - exercisable |  | 403,250 | ​ | $ | 22.42 |  | 4.33 years | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Grant date fair value of options granted – nine months ended September 30, 2022 | ​ | ​ | ​ | $ | 5,408 |  |  | ​ |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average grant date fair value – nine months ended September 30, 2022 | ​ | ​ | ​ | $ | 1.80 |  |  | ​ |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Grant date fair value of options granted – year ended December 31, 2021 | ​ | ​ | ​ | $ | 50,100 |  |  | ​ |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average grant date fair value – year ended December 31, 2021 | ​ | ​ | ​ | $ | 2.20 |  |  | ​ |  |

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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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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