Commitments and Contingencies (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Rent expense	$ 3,700	$ 3,500	$ 2,600
Purchase commitments for fixed inventory	54,500
Expected post-remediation liability	$ 200
Amortized over the remaining term	54 months