Property, Plant and Equipment, Net (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 01, 2016
Property plant and equipment	$ 151	$ 626
Depreciation and amortization expense	947	$ 1,180	$ 1,078
Leasehold improvements				$ 1,600
Nonreimbursement leasehold improvement from landlord	200
Maximum [Member]
Tenant improvement allowance under lease agreement	$ 1,400