Revenue Recognition (Details) - Company`s receivables and contract liabilities with customers - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Revenue Recognition (Details) - Company`s receivables and contract liabilities with customers [Line Items]
Gross receivables	$ 3,378,000	$ 3,123,000
Allowance for credit losses	395,000	291,000
Net receivables	2,983,000	2,832,000
Contract liabilities	$ 1,133,000	$ 1,229,000