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Note 9 - Stock-based Compensation Plans and Warrants (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  | Average |  |  | Aggregate |
|  |  |  |  | Weighted- |  |  | Remaining |  |  | Intrinsic |
|  |  |  |  | Average |  |  | Contractual |  |  | Value |
|  | Shares |  |  | Exercise Price |  |  | Term |  |  | ($000’s) |
Outstanding at January 1, 2018 |  |  | 507,500 |  |  | $ | 11.66 |  |  |  | 2.3 |  |  | $ | 3,934 |
Granted |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Forfeited, Expired or canceled |  |  | 15,000 |  |  | $ | 11.75 |  |  |  |  |  |  | $ | 100 |
Exercised |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2018 |  |  | 492,500 |  |  | $ | 11.66 |  |  |  | 1.3 |  |  | $ | 3,834 |
Granted |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Forfeited, Expired or canceled |  |  | - |  |  | $ | - |  |  |  |  |  |  | $ | - |
Exercised |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2019 |  |  | 492,500 | (a) |  | $ | 11.66 |  |  |  | 0.3 |  |  | $ | 3,834 |
Options exercisable at December 31, 2019 |  |  | 492,500 |  |  | $ | 11.66 |  |  |  | 0.3 |  |  | $ | 3,834 |
Weighted-average years of remaining contractual life of options outstanding at December 31, 2019 |  |  | 0.3 |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Nonvested Share Activity [Table Text Block] |
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | Average |
|  |  |  |  |  | Grant-date |
|  | Shares |  |  | Fair Value |
Nonvested at December 31, 2017 |  |  | 8,694 |  |  | $ | 13.81 |
Granted |  |  | 35,720 |  |  | $ | 12.67 |
Forfeited or canceled |  |  | - |  |  | $ | - |
Vested |  |  | (34,190 | ) |  | $ | 12.94 |
Nonvested at December 31, 2018 |  |  | 10,224 |  |  | $ | 12.71 |
Granted |  |  | 49,228 |  |  | $ | 10.76 |
Forfeited or canceled |  |  | - |  |  | $ | - |
Vested |  |  | (44,140 | ) |  | $ | 11.33 |
Nonvested at December 31, 2019 |  |  | 15,312 |  |  | $ | 10.45 |

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