Significant Changes in Contract Assets and Contract Liabilities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Accrued Liabilities, Current	$ 2,058	$ 1,170
Contract liabilities	4,601	5,265	$ 7,765
Contract with Customer, Asset, after Allowance for Credit Loss, Current	0	0
[custom:ContractWithCustomerAssetNetCurrentChange]	$ 0
[custom:ContractWithCustomerAssetNetCurrentPercentChange]	0
Contract with Customer, Liability, Current	$ (4,601)	(5,265)	(7,765)
[custom:ContractWithCustomerLiabilityCurrentChange]	$ 664
[custom:ContractWithCustomerLiabilityCurrentPercentChange]	12.6
[custom:ContractWithCustomerAssetandLiabilitiesNet-0]	$ (4,601)	(5,265)
[custom:ContractWithCustomerAssetandLiabilitiesNetChange]	$ 664
[custom:ContractWithCustomerAssetandLiabilitiesNetPercentChange]	12.6
Continuing Operations [Member]
Accounts Receivable, after Allowance for Credit Loss, Current	$ 0	0	0
Accrued Liabilities, Current	0	0	0
Deferred revenue	$ 0	$ 0	$ 0