Notes Payable - Maturity table (Details) - State Bond Loan [Member] - USD ($) $ in Thousands |
12 Months Ended | |
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Oct. 23, 2013 |
Dec. 31, 2019 |
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| Notes Payable | ||
| Principal | $ 12,441 | |
| Interest | 1,627 | |
| Total | $ 14,068 | |
| Debt Instrument, Maturity Date | Oct. 01, 2021 | Apr. 01, 2023 |
| 2020 | ||
| Notes Payable | ||
| Interest | $ 716 | |
| Total | 716 | |
| 2021 | ||
| Notes Payable | ||
| Principal | 5,333 | |
| Interest | 602 | |
| Total | 5,935 | |
| 2022 | ||
| Notes Payable | ||
| Principal | 5,646 | |
| Interest | 288 | |
| Total | 5,934 | |
| 2023 | ||
| Notes Payable | ||
| Principal | 1,462 | |
| Interest | 21 | |
| Total | $ 1,483 |
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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 Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the required periodic payments including both interest and principal payments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the required periodic payments applied to interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the required periodic payments applied to principal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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