Income Taxes - Significant components of the Company's deferred tax liabilities and assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Deferred tax liabilities:
Property and equipment	$ 3,327,000	$ 3,852,000
Intangible assets	18,662,000	23,377,000
Right of use assets	2,380,000	1,803,000
Prepaid expenses	511,000	470,000
Total deferred tax liabilities	24,880,000	29,502,000
Deferred tax assets:
Allowance for credit losses	211,000	194,000
Compensation	1,246,000	1,259,000
Lease liability	1,407,000	1,890,000
Other accrued liabilities	89,000	152,000
Gross deferred tax assets	2,953,000	3,495,000
Less: valuation allowance	0	0
Total net deferred tax assets	2,953,000	3,495,000
Net deferred tax liabilities	21,927,000	26,007,000
Current portion of deferred tax assets	425,000	628,000
Non-current portion of deferred tax liabilities	(22,352,000)	(26,635,000)
Net deferred tax liabilities	(21,927,000)	(26,007,000)
Net deferred tax assets and liabilities	$ 2,953,000	$ 3,495,000