Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Asset:
Current	$ 160,027	$ 157,551
Liability:
Current	61,203	65,426
Deferred tax [Member]
Asset:
Current	700
Noncurrent	13,000
Deferred tax asset, gross	13,700
Valuation allowance	(13,700)
Deferred tax asset, net
Liability:
Current
Noncurrent	600	600
Deferred tax liability, gross	600	600
Valuation allowance
Deferred tax liability, net	$ 600	$ 600