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Significant Changes in Contract Assets and Contract Liabilities (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Accrued liabilities | $ 1,170 | $ 495
Contract liabilities | 5,265 | 7,765
Contract with Customer, Asset, after Allowance for Credit Loss, Current |  |
[custom:ContractWithCustomerAssetNetCurrentChange] |  |
[custom:ContractWithCustomerAssetNetCurrentPercentChange] |  |
Contract with Customer, Liability, Current | $ (5,265) | (7,765)
[custom:ContractWithCustomerLiabilityCurrentChange] | $ 2,500 |
[custom:ContractWithCustomerLiabilityCurrentPercentChange] | 3,220 |
[custom:ContractWithCustomerAssetandLiabilitiesNet-0] | $ (5,265) | (7,765)
[custom:ContractWithCustomerAssetandLiabilitiesNetChange] | $ 2,500 |
[custom:ContractWithCustomerAssetandLiabilitiesNetPercentChange] | 3,220 |
Continuing Operations [Member] |  |
Accounts receivable, net |  |
Accrued liabilities |  |
Deferred revenue |  |

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