| Disposal Groups, Including Discontinued Operations [Table Text Block] |
| | | As of | | | As of | |
| | | September 30, | | | December 31, | |
| (in thousands) | | 2022 | | | 2021 | |
| | | | | | | | | |
| Carrying amounts of the major classes of assets included in discontinued operations: | | | | | | | | |
| | | | | | | | | |
| Trade accounts receivable | | $ | — | | | $ | 2,996 | |
| Inventories | | | — | | | | 530 | |
| Prepaid expenses and other current assets | | | — | | | | 114 | |
| Contract assets | | | — | | | | 1,141 | |
| Assets held for sale, current portion | | | — | | | | 4,781 | |
| Property and equipment | | | — | | | | 42 | |
| Other intangible assets | | | 1,814 | | | | 1,813 | |
| Deposits and other assets | | | — | | | | 43 | |
| Assets held for sale, noncurrent portion | | | 1,814 | | | | 1,898 | |
| Total assets of the disposal group classified as held for sale | | $ | 1,814 | | | $ | 6,679 | |
| | | | | | | | | |
| Carrying amounts of the major classes of liabilities included in discontinued operations: | | | | | | | | |
| | | | | | | | | |
| Accounts payable | | $ | — | | | $ | 1,657 | |
| Contract liabilities | | | — | | | | 1,414 | |
| Operating lease obligations - current portion | | | — | | | | 76 | |
| Accrued expenses | | | — | | | | 1,126 | |
| Liabilities held for sale, current portion | | | — | | | | 4,273 | |
| Operating lease obligations, less current portion | | | — | | | | 85 | |
| Other long-term liabilities | | | — | | | | 9 | |
| Liabilities held for sale, noncurrent portion | | | — | | | | 94 | |
| Total liabilities held for sale | | $ | — | | | $ | 4,367 | |
| (in thousands) | | For the Three Months | | | For the Nine Months | |
| | | Ended September 30, | | | Ended September 30, | |
| Major classes of line items constituting pretax profit of discontinued operations: | | 2022 | | | 2021 | | | 2022 | | | 2021 | |
| | | | | | | | | | | | | | | | | |
| Revenues | | $ | 933 | | | $ | 6,097 | | | $ | 7,002 | | | $ | 14,816 | |
| Cost of revenues | | | (938 | ) | | | (4,608 | ) | | | (5,621 | ) | | | (10,418 | ) |
| Selling, general and administrative expense | | | (716 | ) | | | (1,973 | ) | | | (4,124 | ) | | | (6,367 | ) |
| Depreciation and amortization | | | — | | | | (404 | ) | | | — | | | | (1,249 | ) |
| (Provision) recovery of bad debt | | | 25 | | | | 5 | | | | (22 | ) | | | 27 | |
| Interest expense | | | — | | | | — | | | | (13 | ) | | | (2 | ) |
| Gain on extinguishment of PPP loan | | | — | | | | — | | | | — | | | | 779 | |
| Other expense | | | 30 | | | | 234 | | | | 18 | | | | 227 | |
| Pretax income of discontinued operations | | | (666 | ) | | | (649 | ) | | | (2,760 | ) | | | (2,187 | ) |
| Pretax gain on sale of Orbital U.K. | | | — | | | | — | | | | 299 | | | | — | |
| Income tax expense | | | — | | | | — | | | | — | | | | — | |
| Total income from discontinued operations | | $ | (666 | ) | | $ | (649 | ) | | $ | (2,461 | ) | | $ | (2,187 | ) |
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