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8. Stockholders' Equity (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Dividends Declared	$ 1,075,962	$ 1,068,375
Stock-based compensation expense related to stock options is net of estimated forfeitures	$ 1,000	2,000
Closing price of common stock	$ 14.74
Total intrinsic value of options exercised	$ 11,413
Stock-based compensation, restricted stock awards	$ 309,000	$ 106,000
2014 Plan [Member]
Shares reserved	426,822

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