Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 1)

v3.5.0.2
Fair Value Measurements (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Estimated fair value of warrants exchanged for common shares     $ 13,862
Change in fair value of warrants for the year ended December 31, 2014 $ 938 $ 2,887 2,211 (11,528)
Unobservable Inputs (Level 3) [Member]        
Balance, beginning     4,115 8,464
Estimated fair value of warrants exchanged for common shares     (35) (13,862)
Change in fair value of warrants for the year ended December 31, 2014     (2,211) 11,528
Balance, ending $ 1,869 $ 6,130 $ 1,869 $ 6,130