| Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
| Jan. 01, 2021 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | |
| Capital expenditures accrued, not yet paid | $ 40 | |||
| Net transfers of reusable components from loaned systems | $ 100 | $ 100 | ||
| Reduction of additional paid-in-capital | $ 3,100 | |||
| Increase in operating lease rights of use | $ 2,600 | |||
| Increase in operating lease liabilities | $ 2,600 | |||
| X | ||||||||||
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- Definition Increase (Decrease) in Operating Lease Right of Use Assets No definition available. 
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| X | ||||||||||
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- Definition Net Transfers of Reusable Components from Loaned Systems No definition available. 
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| X | ||||||||||
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- Definition Amount of other increase (decrease) in additional paid in capital (APIC). No definition available. 
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| X | ||||||||||
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Definition Amount of increase (decrease) in obligation for operating lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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