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(7) Shareholders’ Equity (Tables) | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Schedule of stock purchases |
Schedule of stock purchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Twelve Months Ended |
|  | December 31, 2022 |  |  | December 31, 2021 |
|  | Shares |  |  | Avg. Price |  |  | Shares |  |  | Avg. Price |
Open market purchases |  |  | 3,246,511 |  |  | $ | 10.44 |  |  |  | 1,639,138 |  |  | $ | 6.98 |
Shares redeemed upon net exercise of stock options |  |  | 893,153 |  |  |  | 13.56 |  |  |  | 245,743 |  |  |  | 6.95 |
Other |  |  | – |  |  |  | – |  |  |  | 1,999,995 |  |  |  | 6.26 |
Total stock purchases |  |  | 4,139,664 |  |  | $ | 11.11 |  |  |  | 3,884,876 |  |  | $ | 3.97 |
Schedule of assumptions for stock options |
Schedule of assumptions for stock options |  |  |  |  |  |  |  |  |  |  |  |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Expected life (years) |  |  | 4.00 |  |  |  | 4.00 |  |  |  | 4.01 |
Risk-free interest rate |  |  | 2.38% |  |  |  | 0.49% |  |  |  | 0.25% |
Volatility |  |  | 76% |  |  |  | 72% |  |  |  | 73% |
Expected dividend yield |  |  | – |  |  |  | – |  |  |  | – |
Schedule of option activity |
Schedule of option activity |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  | Weighted |
|  | Number of |  |  | Weighted |  |  | Average |
|  | Shares |  |  | Average |  |  | Remaining |
|  | (in thousands) |  |  | Exercise Price |  |  | Contractual Term |
Options outstanding at the beginning of period |  |  | 13,075 |  |  | $ | 4.54 |  |  |  | N/A |
Granted |  |  | 1,710 |  |  |  | 10.28 |  |  |  | N/A |
Exercised |  |  | (3,128 | ) |  |  | 4.89 |  |  |  | N/A |
Forfeited/Expired |  |  | (490 | ) |  |  | 7.07 |  |  |  | N/A |
Options outstanding at the end of period |  |  | 11,167 |  |  | $ | 5.21 |  |  |  | 3.15 years |
Options exercisable at the end of period |  |  | 7,770 |  |  | $ | 4.56 |  |  |  | 2.12 years |
Schedule of options outstanding and exercisable |
Schedule of options outstanding and exercisable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Number of shares as of |  |  | Number of shares as of |
|  | December 31, 2022 |  |  | December 31, 2021 |
|  | Outstanding |  |  | Exercisable |  |  | Outstanding |  |  | Exercisable |
|  | (In thousands) |  |  | (In thousands) |
Range of exercise prices: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
$0.95 - $1.99 |  |  | – |  |  |  | – |  |  |  | 577 |  |  |  | 577 |
$2.00 - $2.99 |  |  | 1,445 |  |  |  | 775 |  |  |  | 1,517 |  |  |  | 489 |
$3.00 - $3.99 |  |  | 3,785 |  |  |  | 3,495 |  |  |  | 4,285 |  |  |  | 3,382 |
$4.00 - $4.99 |  |  | 2,739 |  |  |  | 1,802 |  |  |  | 2,870 |  |  |  | 1,410 |
$5.00 - $5.99 |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
$6.00 - $6.99 |  |  | 740 |  |  |  | 740 |  |  |  | 2,651 |  |  |  | 2,652 |
$7.00 - $7.99 |  |  | 748 |  |  |  | 748 |  |  |  | 1,175 |  |  |  | 1,175 |
$10.00 - $10.99 |  |  | 1,710 |  |  |  | 210 |  |  |  | – |  |  |  | – |
Total shares |  |  | 11,167 |  |  |  | 7,770 |  |  |  | 13,075 |  |  |  | 9,685 |

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