Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value (Details)

v3.19.1
Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Assets and Liabilities Measured at Fair Value    
Cash equivalents $ 63,735 $ 67,329
Level 1    
Assets and Liabilities Measured at Fair Value    
Cash equivalents $ 63,735 $ 67,329