Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 3)

v3.19.1
Fair Value Measurements (Details 3) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Beginning balance $ 210 $ 20,832
Additions 4 1,313
Change in fair value (111) 814
Ending balance $ 103 $ 22,959