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Long-Term Debt, Net - Convertible Note (Details) - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Mar. 13, 2019 | Dec. 31, 2018
Disclosure of detailed information about borrowings [Line Items] |  |  |  |
Proceeds from borrowings | $ 43,700 | $ 0 |  |
Long-term borrowings | 36,707 |  |  | $ 1,500
Fair value of derivative financial instruments | 484 |  |  | $ 831
Gains Losses On Change In Fair Value Of Derivatives | $ 1,572 | $ 0 |  |
Convertible Note |  |  |  |
Disclosure of detailed information about borrowings [Line Items] |  |  |  |
Debt instruments issued |  |  | $ 5,000,000 |
Debt Instrument, Interest Rate, Stated Percentage | 10.00% |  |  |
Line of Credit Facility, Frequency of Payment and Payment Terms | annually |  |  |
Conversion price | $ / shares |  |  | $ 0.004 |
Proceeds from borrowings | $ 5,000 |  |  |
Long-term borrowings | 1,248 |  |  |
Fair value of derivative financial instruments | 3,752 |  |  |
Gains Losses On Change In Fair Value Of Derivatives | $ 1,397 |  |  |

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