Consolidated Statements of Income and Retained Earnings - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue and other income:
Revenue, leasing	$ 4,808,000	$ 4,585,000
Other income, interest	2,000	8,000
Revenue and other income	4,810,000	4,593,000
Expenses:
Operating	846,000	567,000
General and administrative	1,420,000	1,309,000
Total expenses	2,266,000	1,876,000
Income from continuing operations before income taxes	2,544,000	2,717,000
Income tax expense (benefit):
Current	677,000	810,000
Deferred	28,000	(76,000)
Total Income tax expense	705,000	734,000
Net income	1,839,000	1,983,000
Retained earnings, beginning	6,334,000	5,737,000
Dividends on common stock based on 6,599,912 shares outstanding	(1,848,000)	(1,386,000)
Retained earnings, ending	$ 6,325,000	$ 6,334,000
Basic income per common share based upon 6,599,912 shares outstanding	$ 0.28	$ 0.30