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DEBT - Notes Payable (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 14 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 07, 2018 | May 24, 2016 | Mar. 31, 2019 | Apr. 07, 2018 | Feb. 02, 2017 | Dec. 31, 2016 | Apr. 07, 2011
Promissory note with Woodhaven Bank |  |  |  |  |  |  |
Notes Payable |  |  |  |  |  |  |
Face amount |  |  |  |  |  |  | $ 4,830
Interest rate | 4.25% |  |  | 4.25% | 3.85% |  |
Frequency of periodic payment | monthly |  |  |  |  |  |
Principal and interest payments | $ 30 |  |  |  |  |  |
Interest expense |  |  | $ 38 |  |  |  |
Promissory note with Woodhaven Bank | Prime Rate |  |  |  |  |  |  |
Notes Payable |  |  |  |  |  |  |
Spread rate |  |  |  | 0.60% |  |  |
Promissory note with Eagle One LLC |  |  |  |  |  |  |
Notes Payable |  |  |  |  |  |  |
Face amount |  | $ 515 |  |  |  |  |
Interest rate |  | 6.00% |  |  |  |  |
Frequency of periodic payment |  | monthly |  |  |  |  |
Principal and interest payments |  | $ 6 |  |  |  |  |
Interest expense |  |  | $ 1 |  |  |  |
PILOT Agreement |  |  |  |  |  |  |
Notes Payable |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 10,000 |
Interest rate |  |  |  |  |  | 6.00% |

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