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The following is a tabulation of our quarterly results of operations for the years 2021 and 2020. (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Net operating loss	$ (353)	$ (345)	$ (356)	$ (524)	$ (405)	$ (339)	$ (431)	$ (414)	$ (1,578)	$ (1,589)	$ (1,588)
Net income	$ 715	$ 712	$ 819	$ 1,352	$ 1,347	$ 761	$ 1,265	$ 841	$ 3,598	$ 4,214	$ 4,145
Earnings Per Share, Basic	$ 0.17	$ 0.17	$ 0.20	$ 0.32	$ 0.33	$ 0.18	$ 0.30	$ 0.20	$ 0.86	$ 1.01	$ 0.99
Earnings Per Share, Diluted	$ 0.17	$ 0.17	$ 0.20	$ 0.32	$ 0.33	$ 0.18	$ 0.30	$ 0.20	$ 0.86	$ 1.01	$ 0.99

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