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8. Stockholders' Equity (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Dividends declared |  |  | $ 2,827,276 | $ 3,204,813
Stock-based compensation expense related to stock options is net of estimated forfeitures | $ 19,800 | $ 1,000 | $ 20,800 | 5,000
Closing price of common stock | $ 8.52 |  | $ 8.52 |
Total intrinsic value of options exercised |  |  | $ 6,270 |
Total intrinsic value of options forfeited | $ 59,000 |  | 59,000 |
Stock-based compensation, restricted stock awards | $ 388,000 | $ 196,000 | $ 1,096,000 | $ 477,000
2014 Plan [Member] |  |  |  |
Shares reserved | 390,338 |  | 390,338 |

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