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Accrued and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Payables and Accruals [Abstract]    
Warrant consideration $ 0 $ 1,080
Tax amortization benefit contingency 3,531 17,535
Working capital settlement 0 17,000
Additional consideration due seller 0 9,263
Dow settlement liability 10,000 0
Accrued compensation and benefits 6,621 6,352
Accrued rebates payable 2,223 4,701
Insurance premium financing payable 0 578
Severance 461 1,564
Accrued taxes 5,577 4,598
Other 4,533 3,695
Accrued and other current liabilities $ 32,946 $ 66,366