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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Weighted Average for Options Granted | The following table presents the weighted-average assumptions used for options granted under the 2021 Plan: Schedule of Weighted Average for Options Granted
|  | 2022 |
Option term (years) |  |  | 4.95 |
Volatility |  |  | 110.21 | %
Unvested forfeiture rate |  |  | 0.00 | %
Risk-free interest rate |  |  | 3.93 | %
Dividend yield |  |  | 0.00 | %
Weighted-average fair value per option granted |  | $ | 14.75 |
Schedule of Share Based Compensation Expense | Total share-based compensation expense, related to the Company’s share-based awards, recognized for the years ended December 31, was included within the representative group comprised as follows: Schedule of Share Based Compensation Expense
|  | 2023 |  |  | 2022 |
(Dollars in thousands) |  |  |  |  |  |  |  |
Cost of cryptocurrency mining revenue, exclusive of depreciation |  | $ | 300 |  |  | $ | 67 |
Cost of data hosting revenue, exclusive of depreciation |  |  | 24 |  |  |  | - |
General and administrative expenses, exclusive of depreciation and amortization |  |  | 3,988 |  |  |  | 3,785 |
Share-based compensation expense |  | $ | 4,312 |  |  | $ | 3,852 |
Summary of Stock Option Activity | Presented below is a summary of the Company’s stock option activity for the Plans for the years ended December 31: Summary of Stock Option Activity
|  | 2023 |  |  | 2022 |
Shares under option, beginning |  |  | 52,393 |  |  |  | 39,662 |
Granted |  |  | - |  |  |  | 21,564 |
Exercised |  |  | - |  |  |  | (7,097 | )
Forfeited |  |  | - |  |  |  | (430 | )
Expired/canceled |  |  | - |  |  |  | (1,306 | )
Shares under option, ending |  |  | 52,393 |  |  |  | 52,393 |
Options exercisable |  |  | 45,276 |  |  |  | 38,158 |
The weighted average exercise price for the Company’s stock option activity for the Plans is as follows for each of the years ended December 31:
|  | 2023 |  |  | 2022 |
Shares under option, beginning |  | $ | 102.86 |  |  | $ | 136.00 |
Granted |  | $ | - |  |  | $ | 23.75 |
Exercised |  | $ | - |  |  | $ | 21.50 |
Forfeited |  | $ | - |  |  | $ | 259.75 |
Expired/canceled |  | $ | - |  |  | $ | 196.00 |
Shares under option, ending |  | $ | 102.86 |  |  | $ | 102.86 |
Options exercisable, ending |  | $ | 92.53 |  |  | $ | 78.25 |
Summary of Option Outstanding and Exercisable | The following table summarizes information for options outstanding and exercisable for the Plans as of December 31, 2023: Summary of Option Outstanding and Exercisable
Outstanding |  | Exercisable |
|  |  |  |  | Weighted Average |  |  | Weighted |  |  |  |  |  | Weighted Average |  |  | Weighted |
|  |  |  |  | Remaining |  |  | Average |  |  |  |  |  | Remaining |  |  | Average |
Exercise Price Range |  | Number |  |  | Contractual Life |  |  | Exercise Price |  |  | Number |  |  | Contractual Life |  |  | Exercise Price |
$17.50-$30.00 |  |  |  | 25,409 |  |  |  | 3.88 |  |  | $ | 23.72 |  |  |  | 25,159 |  |  |  | 3.85 |  |  | $ | 23.78 |
$30.01-188.00 |  |  |  | 26,384 |  |  |  | 4.64 |  |  | $ | 175.11 |  |  |  | 19,717 |  |  |  | 4.39 |  |  | $ | 176.50 |
$188.01-277.50 |  |  |  | 600 |  |  |  | 7.23 |  |  | $ | 277.50 |  |  |  | 400 |  |  |  | 7.23 |  |  | $ | 277.50 |
|  |  |  | 52,393 |  |  |  | 4.30 |  |  | $ | 102.86 |  |  |  | 45,276 |  |  |  | 4.12 |  |  | $ | 92.53 |
Summary of Non Vested Restricted Stock | Non-vested restricted stock activity is as follows for the year ended December 31: Summary of Non Vested Restricted Stock
|  | 2023 |  |  | 2022 |
Non-vested restricted stock balance, beginning January 1 |  |  | 33,221 |  |  |  | 16,213 |
Non-vested restricted stock granted |  |  | 20,000 |  |  |  | 29,017 |
Vested restricted stock |  |  | — |  |  |  | — |
Non-vested restricted stock exercised |  |  | (35,336 | ) |  |  | (7,730 | )
Non-vested restricted stock forfeited/expired |  |  | (6,382 | ) |  |  | (4,279 | )
Non-vested restricted stock balance, ending December 31 |  |  | 11,503 |  |  |  | 33,221 |
Summary of Weighted Average Fair Value Price Restricted Stock Activity | The weighted average fair value price for the Company’s restricted stock activity for the Plans is as follows for each of the years ended December 31: Summary of Weighted Average Fair Value Price Restricted Stock Activity
|  | 2023 |  |  | 2022 |
Restricted stock, beginning |  | $ | 208.83 |  |  | $ | 282.11 |
Granted |  | $ | 7.47 |  |  | $ | 180.55 |
Exercised |  | $ | 107.84 |  |  | $ | 245.22 |
Forfeited/ expired |  | $ | 112.55 |  |  | $ | 235.54 |
Restricted stock, ending |  | $ | 222.39 |  |  | $ | 208.83 |
Summary of Common Stock Warrant Activity | The following is a summary of common stock warrant activity during the year ended December 31, 2023. Summary of Common Stock Warrant Activity
|  | Number of Warrant Shares |  |  | Weighted Average Exercise Price ($) |
Balance, December 31, 2022 |  |  | 396,107 |  |  | $ | 57.25 |
Granted |  |  | 834,022 |  |  |  | 9.55 |
Exercised |  |  | (81,726 | ) |  |  | 0.01 |
Forfeited/ Expired |  |  | (134 | ) |  |  | 0.01 |
Balance, December 31, 2023 |  |  | 1,148,269 |  |  | $ | 24.21 |
The following is a summary of common stock warrant activity during the year ended December 31, 2022.
|  | Number of Warrant Shares |  |  | Weighted Average Exercise Price ($) |
Balance, December 31, 2021 |  |  | 87,758 |  |  | $ | 346.25 |
Granted |  |  | 359,491 |  |  |  | 57.75 |
Exercised |  |  | (3,780 | ) |  |  | 206.00 |
Forfeited/ Expired |  |  | (47,362 | ) |  |  | 237.50 |
Balance, December 31, 2022 |  |  | 396,107 |  |  | $ | 57.25 |

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