Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies - Schedule of Reconciliation of Beginning and Ending Level 3 Liabilities (Details)

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Basis of Presentation and Significant Accounting Policies - Schedule of Reconciliation of Beginning and Ending Level 3 Liabilities (Details) - Unobservable Inputs Level 3 [Member] - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Balance - January 1, $ 263 $ 569
Change in fair value of warrants potentially settleable in cash (Note 9) (173) (410)
Balance at June 30, $ 90 $ 159