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(7) Shareholders’ Equity (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Schedule of stock purchases |
Schedule of stock purchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Twelve Months Ended
|  | December 31, 2021 |  | December 31, 2020
|  |  | Shares |  |  |  | Avg. Price |  |  |  | Shares |  |  |  | Avg. Price |
Open market purchases |  |  | 1,639,138 |  |  | $ | 6.98 |  |  |  | 105,017 |  |  | $ | 3.60 |
Shares redeemed upon net exercise of stock options |  |  | 245,743 |  |  |  | 6.95 |  |  |  | 46,909 |  |  |  | 2.86 |
Other |  |  | 1,999,995 |  |  |  | 6.26 |  |  |  | 200,000 |  |  |  | 3.51 |
Total stock purchases |  |  | 3,884,876 |  |  | $ | 6.61 |  |  |  | 351,926 |  |  | $ | 3.97 |
Schedule of assumptions for stock options |
Schedule of assumptions for stock options |  |  |  |  |  |  |  |  |  |  |  |
|  | Year Ended December 31,
|  | 2021 |  | 2020 |  | 2019
Expected life (years) |  |  | 4.00 |  |  |  | 4.01 |  |  |  | 4.02 |
Risk-free interest rate |  |  | 0.49 | % |  |  | 0.25 | % |  |  | 1.53 | %
Volatility |  |  | 72 | % |  |  | 73 | % |  |  | 37 | %
Expected dividend yield |  |  | – |  |  |  | – |  |  |  | – |
Schedule of option activity |
Schedule of option activity |  |  |  |  |  |  |  |  |  |
|  | Number of Shares (in thousands) |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term
Options outstanding at the beginning of period |  |  | 15,977 |  |  | $ | 4.46 |  |  | N/A
Granted |  |  | 1,460 |  |  |  | 4.95 |  |  | N/A
Exercised |  |  | (2,291 | ) |  |  | 2.64 |  |  | N/A
Forfeited/Expired |  |  | (2,071 | ) |  |  | 6.31 |  |  | N/A
Options outstanding at the end of period |  |  | 13,075 |  |  | $ | 4.54 |  |  | 2.85 years
Options exercisable at the end of period |  |  | 9,685 |  |  | $ | 4.80 |  |  | 1.89 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, 2021 |  | December 31, 2020
|  | Outstanding |  | Exercisable |  | Outstanding |  | Exercisable
Range of exercise prices: |  | (In thousands) |  | (In thousands)
$0.95 - $1.99 |  | 577 |  | 577 |  | 1,904 |  | 1,904
$2.00 - $2.99 |  | 1,517 |  | 489 |  | 1,570 |  | 180
$3.00 - $3.99 |  | 4,285 |  | 3,382 |  | 4,973 |  | 3,306
$4.00 - $4.99 |  | 2,870 |  | 1,410 |  | 1,540 |  | 1,217
$5.00 - $5.99 |  | – |  | – |  | – |  | –
$6.00 - $6.99 |  | 2,651 |  | 2,652 |  | 4,770 |  | 4,770
$7.00 - $7.99 |  | 1,175 |  | 1,175 |  | 1,220 |  | 1,220
Total shares |  | 13,075 |  | 9,685 |  | 15,977 |  | 12,597

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