Commitments and Contingencies (Details Narrative) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
	May 31, 2018	Jun. 30, 2019	Dec. 31, 2018
Other compensation liabilities		$ 475	$ 462
Other compensation liabilities, noncurrent		463	450
Other compensation liabilities, current		12	12
Cash surrender value of life insurance		1,376	1,296
Amount of security to proceed current appeal	$ 1,600
Contingency, closed and settled date	This case was finally settled and closed on August 7, 2018.
Maximum aggregate claim amount		3,200
Liabilities recorded		228	$ 150
Minimum [Member]
Payment benefit to employee's		1
Deductibles per claim		25
Minimum [Member] | Insurance Claims [Member]
Potential liability per claim		0
Maximum [Member]
Payment benefit to employee's		3
Deductibles per claim		1,000
Maximum [Member] | Insurance Claims [Member]
Potential liability per claim		$ 1,000