Income Taxes (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Change in valuation allowance during period	$ 700
Corporate tax rate	21.00%	35.00%	35.00%
Incremental charge against provisional net tax benefit	$ 300
Provisional net tax benefit		$ 1,200
Net income tax expense related to GILTI	100
Unrecognized interest or penalties
Federal Tax Credits [Member]
Net operating loss carryforwards	100
State [Member]
Net operating loss carryforwards	$ 24,000
Operating expire term	remainder expiring between 2022 and 2038.
State [Member] | Federal Tax Credits [Member]
Operating expire term	Expire at the end of 2033
State [Member] | Research Tax Credit Carryforward [Member]
Net operating loss carryforwards	$ 600
Operating expire term	No expiration date
State [Member] | Acquire Subsidiary [Member]
Net operating loss carryforwards	$ 500
State [Member] | Expire Between 2019 and 2021 [Member]
Net operating loss carryforwards	1,900
Foreign [Member]
Net operating loss carryforwards	$ 8,100