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Term Loan Obligations - Term Loan Outstanding (Details) - Term Loan [Member] - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | May 29, 2015
Additional details relating term loan that is outstanding [Abstract] |  |  |  |  |  |
Origination Date |  | May 29, 2015 |  | May 29, 2015 |  |
Original Loan Amount |  | $ 17,700 |  | $ 17,700 |  | $ 17,700
Interest Rate | [1] | 8.95% |  | 8.95% |  |
Current Monthly Payment |  | $ 32 | [2] | $ 72 | [3] |
Amended expiration date |  | May 31, 2024 |  |  |  |
Remaining Principal (Face Value) |  | $ 4,289 |  | $ 9,288 |  |
Original Term |  |  |  | 48 months |  |
[1] | 3 month LIBOR rate with a floor of 1% plus 7.95%
[2] | Monthly payment as of December 2020, which reflects interest only
[3] | Monthly payment as of December 2019, which reflects interest only

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