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(7) Shareholders’ Equity (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of stock purchases |
Schedule of stock purchases |  | Twelve Months Ended |
|  | December 31, 2020 |  |  | December 31, 2019 |
|  |  | Shares |  |  |  | Avg. Price |  |  |  | Shares |  |  |  | Avg. Price |
Open market purchases |  |  | 105,017 |  |  | $ | 3.60 |  |  |  | 335,546 |  |  | $ | 3.95 |
Shares redeemed upon net exercise of stock options |  |  | 46,909 |  |  |  | 2.86 |  |  |  | 18,424 |  |  |  | 3.76 |
Other |  |  | 200,000 |  |  |  | 3.51 |  |  |  | 24,500 |  |  |  | 4.20 |
Total stock purchases |  |  | 351,926 |  |  | $ | 3.45 |  |  |  | 378,470 |  |  | $ | 3.97 |
Schedule of assumptions for stock options |
Schedule of assumptions for stock options |  |  |  |  |  |  |  |  |  |  |  |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Expected life (years) |  |  | 4.01 |  |  |  | 4.02 |  |  |  | 3.99 |
Risk-free interest rate |  |  | 0.25% |  |  |  | 1.53% |  |  |  | 2.74% |
Volatility |  |  | 73% |  |  |  | 37% |  |  |  | 34% |
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 |  |  | 15,348 |  |  | $ | 4.59 |  |  | N/A
Granted |  |  | 1,600 |  |  |  | 2.47 |  |  | N/A
Exercised |  |  | (558 | ) |  |  | 1.70 |  |  | N/A
Forfeited/Expired |  |  | (413 | ) |  |  | 5.13 |  |  | N/A
Options outstanding at the end of period |  |  | 15,977 |  |  | $ | 4.46 |  |  | 2.85 years
Options exercisable at the end of period |  |  | 12,597 |  |  | $ | 4.81 |  |  | 2.15 years
Schedule of options outstanding and exercisable |
Schedule of options outstanding and exercisable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Number of shares as of December 31, 2020 |  |  | Number of shares as of December 31, 2019 |
Range of exercise prices: |  |  | Outstanding |  |  |  | Exercisable |  |  |  | Outstanding |  |  |  | Exercisable |
|  |  | (In thousands) |  |  |  | (In thousands) |
$0.95 - $1.99 |  |  | 1,904 |  |  |  | 1,904 |  |  |  | 2,436 |  |  |  | 2,436 |
$2.00 - $2.99 |  |  | 1,570 |  |  |  | 180 |  |  |  | – |  |  |  | – |
$3.00 - $3.99 |  |  | 4,973 |  |  |  | 3,306 |  |  |  | 5,145 |  |  |  | 2,158 |
$4.00 - $4.99 |  |  | 1,540 |  |  |  | 1,217 |  |  |  | 1,547 |  |  |  | 903 |
$5.00 - $5.99 |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
$6.00 - $6.99 |  |  | 4,770 |  |  |  | 4,770 |  |  |  | 4,955 |  |  |  | 4,955 |
$7.00 - $7.99 |  |  | 1,220 |  |  |  | 1,220 |  |  |  | 1,265 |  |  |  | 1,265 |
Total shares |  |  | 15,977 |  |  |  | 12,597 |  |  |  | 15,348 |  |  |  | 11,717 |

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