Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2020	$ 1,900	$ 82,155,200	$ (79,240,700)	$ 2,916,400
Beginning balance, shares at Dec. 31, 2020	18,850,675
Net income			379,200	379,200
Ending balance, value at Mar. 31, 2021	$ 1,900	82,155,200	(78,861,500)	3,295,600
Ending balance, shares at Mar. 31, 2021	18,850,675
Beginning balance, value at Dec. 31, 2021	$ 1,900	82,155,200	(78,188,500)	3,968,600
Beginning balance, shares at Dec. 31, 2021	18,850,675
Net income			106,500	106,500
Ending balance, value at Mar. 31, 2022	$ 1,900	$ 82,155,200	$ (78,082,000)	$ 4,075,100
Ending balance, shares at Mar. 31, 2022	18,850,675