Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Schedule of Reconciliation of the Beginning and Ending Level 3 Liabilities (Details)

v3.7.0.1
Fair Value Measurement - Schedule of Reconciliation of the Beginning and Ending Level 3 Liabilities (Details) - Unobservable Inputs Level 3 [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Balance - January 1 $ 1,476 $ 4,115
Estimated fair value of warrants exchanged for common shares (35)
Change in fair value of warrants (769) (2,211)
Balance at June 30, $ 707 $ 1,869