Income Taxes, Continuing Operations - Summary of Income Tax Expense from Continuing Operations (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 557,000	$ 489,000
State	208,000	188,000
Total	765,000	677,000
Deferred:
Federal	7,000	20,000
State	2,000	8,000
Total	9,000	28,000
Total Income tax expense	$ 774,000	$ 705,000