Lease Agreements - Rent expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
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| Lease Agreements | ||
| Rent expense | $ 44 | $ 600 |
| Variable lease payments | $ 2 | $ 600 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cash outflow for variable lease payment excluded from lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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