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Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity |
Summary of common stock purchase warrant transactions |
|  | Number of Warrants |  |  | Exercise Prices |
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 December 31, 2022 and 2023 |  |  | 289,294 |  |  | $5.60-7.00 |
Summary of warrant Expirations |
Shares |  |  | Exercise Price |  |  | Expiration Date |
| 235,722 |  |  | $ | 5.60 |  |  | October 15, 2024 |
| 53,572 |  |  | $ | 7.00 |  |  | November 12, 2024 |
| 289,294 |  |  |  |  |  |  |  |
Summary of fair value of stock option awards granted |
|  | September 6, 2022 |  |  | September 28, 2022 |
Fair value |  | $ | 505,476 |  |  | $ | 41,799 |
Options issued |  |  | 165,000 |  |  |  | 15,000 |
Exercise price |  | $ | 5.25 |  |  | $ | 4.75 |
Expected term (in years) |  |  | 3.0 |  |  |  | 3.0 |
Risk-free rate |  |  | 3.55 | % |  |  | 4.12 | %
Volatility |  |  | 89.3 | % |  |  | 89.2 | %
Summary of share-based Compensation, Stock Options, Activity |
|  | Number of Options |  |  | Weighted Average Exercise Prices |
Balance December 31, 2021 |  |  | 507,175 |  |  | $ | 5.25 |
Granted |  |  | 180,000 |  |  | $ | 5.21 |
Exercised |  |  | (116,078 | ) |  | $ | 4.31 |
Expired |  |  | (7,143 | ) |  | $ | 1.96 |
Forfeited |  |  | (28,001 | ) |  | $ | 5.56 |
Balance December 31, 2022 |  |  | 535,953 |  |  | $ | 5.47 |
Forfeited |  |  | (58,504 | ) |  | $ | 5.47 |
Outstanding and exercisable at December 31, 2023 |  |  | 477,449 |  |  | $ | 5.47 |

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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + 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 -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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