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Equity Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | The following tables summarize the options issued, outstanding, and exercisable under our equity based compensation plans as of December 31, 2023 and 2022:
| For the year ended December 31, 2023
| Number of Options* | Weighted Average Exercise Price* | Intrinsic Value | Weighted Average Remaining Life
Outstanding, beginning of year | 296,650 |  | $ | 59.28 |  | $ | 686,035 |  | 6.14
Granted | — |  | — |  | — |  | — |
Exercised | (16,343) |  | 1.90 |  | 203,269 |  | — |
Canceled | (26,601) |  | 72.85 |  | — |  | — |
Outstanding, end of year | 253,706 |  | 62.01 |  | 1,146,614 |  | 5.85
Exercisable, end of year | 232,041 |  | 56.42 |  | 1,139,545 |  | 5.72
Expected to vest, end of year | 21,665 |  | $ | 121.85 |  | $ | 7,069 |  | 7.30
| For the year ended December 31, 2022
| Number of Options* | Weighted Average Exercise Price* | Intrinsic Value | Weighted Average Remaining Life
Outstanding, beginning of year | 557,785 |  | $ | 66.12 |  | $ | 23,079,520 |  | 7.76
Granted | 10,405 |  | 27.74 |  | — |  | — |
Exercised | (79,724) |  | 6.08 |  | 2,383,405 |  | — |
Canceled | (191,816) |  | 98.42 |  | — |  | — |
Outstanding, end of year | 296,650 |  | 59.28 |  | 686,035 |  | 6.14
Exercisable, end of year | 254,118 |  | 49.40 |  | 685,914 |  | 5.89
Expected to vest, end of year | 42,532 |  | $ | 117.80 |  | $ | 121 |  | 7.61
*Effective May 11, 2023, we performed a 1-for-38 reverse stock split. Share amounts have been retroactively restated.
Schedule of Weighted-average Assumptions used in the Black-Scholes Option Pricing Model | The following table represents the assumptions used for estimating the fair values of stock options granted to our employees, contractors, and non-employees under the Black-Scholes valuation model. The risk-free interest rate is based on the U.S. Treasury yield curve in effect on the grant date:
| 2023 | 2022
Risk-free interest rate | 0.00%–0.00% | 3.46%–3.91%
Expected volatility | 0.00%–0.00% | 115.75%–116.01%
Expected life (in years) | 0.00 | 6.00
Weighted average estimated fair value of options granted | $ | — |  | $ | 27.74 |
Schedule of Restricted Stock Awards and Restricted Stock Units | Restricted stock award and restricted stock unit transactions during the years ended December 31, 2023 and 2022 are summarized as follows:
| For the year ended December 31, 2023 |  | For the year ended December 31, 2022
| Number of Shares* | Weighted Average Grant Date Fair Value* |  | Number of Shares* | Weighted Average Grant Date Fair Value*
Unvested shares, beginning of year | 342,940 |  | $ | 30.02 |  |  | 153,242 |  | $ | 160.36 |
Granted | 356,679 |  | 18.00 |  |  | 400,363 |  | 22.42 |
Vested | (293,878) |  | 25.09 |  |  | (36,537) |  | 144.78 |
Forfeited or surrendered | (49,138) |  | 35.35 |  |  | (174,128) |  | 104.12 |
Unvested shares, end of year | 356,603 |  | $ | 21.32 |  |  | 342,940 |  | $ | 30.02 |
*Effective May 11, 2023, we performed a 1-for-38 reverse stock split. Share amounts have been retroactively restated.
Schedule of Restricted Stock Awards and Restricted Stock Units | Restricted stock award and restricted stock unit transactions during the years ended December 31, 2023 and 2022 are summarized as follows:
| For the year ended December 31, 2023 |  | For the year ended December 31, 2022
| Number of Shares* | Weighted Average Grant Date Fair Value* |  | Number of Shares* | Weighted Average Grant Date Fair Value*
Unvested shares, beginning of year | 342,940 |  | $ | 30.02 |  |  | 153,242 |  | $ | 160.36 |
Granted | 356,679 |  | 18.00 |  |  | 400,363 |  | 22.42 |
Vested | (293,878) |  | 25.09 |  |  | (36,537) |  | 144.78 |
Forfeited or surrendered | (49,138) |  | 35.35 |  |  | (174,128) |  | 104.12 |
Unvested shares, end of year | 356,603 |  | $ | 21.32 |  |  | 342,940 |  | $ | 30.02 |
*Effective May 11, 2023, we performed a 1-for-38 reverse stock split. Share amounts have been retroactively restated.

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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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