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Stockholders Equity (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Dividends declared			$ 1,274,797	$ 1,530,390
Stock-based compensation expense related to stock options is net of estimated forfeitures, rate	16.00%	16.00%	0.00%	1.40%
Weighted average estimated fair value of stock options granted per share				$ 2.40
Closing price per share	$ 6.64		$ 6.64
Weighted-average vesting period	7 months 17 days
stock based compensation	$ 452,000	$ 416,000	$ 1,405,000	$ 1,321,000
Stock-based compensation expense related to stock options is net of estimated forfeitures	14,000	$ 14,000	43,000	$ 52,000
Estimated fair value of unamortized compensation cost related to unvested stock option awards	$ 21,000		$ 21,000
Aggregate intrinsic value, Options Outstanding and Options Exercisable	$ 8.2
Average Intrinsic Value, Expired	$ 0
Common stock shares authorized	20,000,000		20,000,000		20,000,000
Black - Scholes Option Pricing Model [Member]
Dividend per share	$ 0.04		$ 0.04
Plan 2014 Member
Shares reserved for grants	510,749
Plan 2014 Member | Board Of Directors [Member]
Common stock shares authorized	700,000		700,000
Plan 2014 Member | Maximum [Member]
Common stock shares authorized	750,000		750,000

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