Financial Instruments Fair Value Measurements - Schedule of Fair Value Assumption Used (Details) (Parenthetical) |
12 Months Ended | ||
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Dec. 27, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Debt issuance date | Dec. 27, 2018 | ||
| November 4, 2019 Senior Secured Convertible Notes [Member] | |||
| Debt issuance date | Nov. 04, 2019 | ||
| Senior Secured Convertible Note [Member] | |||
| Debt issuance date | Dec. 27, 2018 | Nov. 04, 2019 | |
| December 27, 2018 Senior Secured Convertible Notes [Member] | |||
| Debt issuance date | Dec. 27, 2018 | Dec. 27, 2018 | Dec. 27, 2018 |
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- Definition Date the debt instrument was issued, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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