Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2012	Dec. 31, 2022
Proceeds from sale of common stock					$ 22,500,000
Net operating loss carry forwards	$ 22,089,000		$ 22,089,000
Carryforwards utilize limit before the stock offering closed			163,000
Unutilized operating loss carryforwards that will expire	20,520,000		20,520,000
Reduced deferred tax assets and valuation allowance	6,977,000		6,977,000
Deferred tax liability to be recorded	$ 473,000		$ 473,000
Effective tax rate	20.00%	19.60%	19.70%	19.10%
Additional bad debt deductions			$ 2,250,000
Deferred tax asset, valuation allowance	$ 0		0
Deferred tax asset	4,438,000		4,438,000			$ 4,330,000
Unrecognized tax benefits	$ 0		$ 0			$ 0
Minimum [Member]
Net operating loss carryforwards, expiration year			2024
Maximum [Member]
Net operating loss carryforwards, expiration year			2032