Condensed Consolidated Statementd of Changes in Stockholders' Equity - USD ($)	Common Shares	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Total
Beginning balance, shares at Dec. 31, 2019	5,306,720
Beginning balance, value at Dec. 31, 2019	$ 3,772,669	$ 1,182,866	$ 50,124,790	$ 55,080,325
Shares repurchased, shares	(978)
Shares repurchased, value	$ (480)		(5,760)	(6,240)
Change in comprehensive income, net of deferred income tax		(299,993)		(299,993)
Net income (loss)			(1,043,826)	(1,043,826)
Ending balance, shares at Mar. 31, 2020	5,305,742
Ending balance, value at Mar. 31, 2020	$ 3,772,189	882,873	49,075,204	53,730,266
Beginning balance, shares at Dec. 31, 2020	5,304,885
Beginning balance, value at Dec. 31, 2020	$ 3,771,767	2,637,347	28,623,846	35,032,960
Change in comprehensive income, net of deferred income tax		(1,033,155)		(1,033,155)
Net income (loss)			2,267,703	2,267,703
Ending balance, shares at Mar. 31, 2021	5,304,885
Ending balance, value at Mar. 31, 2021	$ 3,771,767	$ 1,604,192	$ 30,891,549	$ 36,267,508