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Stockholders Equity (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Aug. 05, 2020
Dividends declared			$ 854,272	$ 1,103,400
stock based compensation	$ 472,000	$ 434,000	952,000	905,000
Stock-based compensation expense related to stock options is net of estimated forfeitures	$ 14,000	$ 21,000	$ 29,000	$ 38,000
Stock-based compensation expense related to stock options is net of estimated forfeitures, rate	16.00%		0.00%	1.40%
Estimated fair value of unamortized compensation cost related to unvested stock option awards	$ 36,000		$ 36,000
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	$ 4		$ 4
Plan 2014 Member
Shares reserved for grants	504,376
Board Of Directors [Member] | Plan 2014 Member
Common stock shares authorized	700,000		700,000			1,400,000

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