Retirement-related Benefits (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Contribution	$ 0	$ 1,100
Benefit obligation	$ 1,300	$ 1,100
Discount rate	3.20%	4.20%
Percentage of employer's contribution	100.00%
Percentage of employer's matching contribution	1.00%
Employer's matching contribution, amount	$ 100	$ 100	$ 100
Fair value of the assets of the defined benefit plan	$ 1,300	$ 1,100