Long-Term Debt - Revolving Line of Credit (Details) - USD ($)		3 Months Ended
	Jul. 07, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Long-Term Debt
Total long-term debt		$ 35,371,000		$ 31,744,000
Additional deferred financing costs		0	$ 228,000
Credit Agreement
Long-Term Debt
Outstanding borrowings		$ 7,000,000
Revolving Credit Facility | Revolving Credit Facility 2023 | Line of Credit
Long-Term Debt
Covenant compliance expected, period		1 year
Revolving Credit Facility | Credit Agreement | Line of Credit
Long-Term Debt
Total long-term debt		$ 7,000,000		$ 3,000,000
East West Bank | Revolving Credit Facility 2023
Long-Term Debt
Borrowing capacity	$ 10,000,000
Additional incremental borrowing capacity	$ 5,000,000
Spread on variable rate (as percent)	0.10%
Interest rate (as percent)	3.00%
Minimum loan rate to be maintained on loan effective rate (as percent)	0.50%
Percentage of interest rate added to loan rate in the event of default (as percent)	5.00%
Quarterly minimum fixed coverage ratio	1.25
Revolving credit availability for defining value of eligible advances to aggregate amount of all outstanding advances ratio	$ 1,000,000
Value of eligible accounts to the aggregate amount of all outstanding advances ratio	2.0
East West Bank | Revolving Credit Facility 2023 | Last Day of Each Fiscal Quarter from June 30, 2023 through December 31, 2023
Long-Term Debt
Total funded Debt-to-EBITDA ratio	3.50
East West Bank | Revolving Credit Facility 2023 | Last Day of Each Fiscal Quarter from March 31, 2024 through March 31, 2025
Long-Term Debt
Total funded Debt-to-EBITDA ratio	3.25
East West Bank | Revolving Credit Facility 2023 | Last Day of Each Fiscal Quarter from June 30, 2025 and Thereafter
Long-Term Debt
Total funded Debt-to-EBITDA ratio	3.00