Lease Obligations -Additional Information (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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| Lessee, Lease, Description [Line Items] | |||||
| Remainder of 2021 | $ 301 | $ 301 | |||
| 2022 | 235 | 235 | |||
| Total lease payments | 536 | 536 | |||
| Less: imputed interest | (22) | (22) | |||
| Present value of lease liabilities | $ 514 | $ 514 | |||
| Weighted-average remaining lease term (in years) | 11 months 8 days | 11 months 8 days | |||
| Weighted-average discount rate | 10.50% | 10.50% | |||
| Lease expense | $ 132 | $ 135 | $ 265 | $ 273 | |
| Richmond, California | |||||
| Lessee, Lease, Description [Line Items] | |||||
| Term of lease | 5 years | 5 years | |||
| Lease payment | $ 300 | ||||
| Operating lease, abatement | $ 48 | ||||
| Present value of lease liabilities | $ 79 | $ 79 | |||
| Hamburg,Germany | |||||
| Lessee, Lease, Description [Line Items] | |||||
| Term of lease | 5 years | 5 years | |||
| Renewal term | 5 years | 5 years | |||
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- Definition Operating Lease, Abatement No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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