Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Property, Plant and Equipment [Line Items]
Net revenues	$ 678	$ 1,469	$ 1,860	$ 3,411
Percentage of net revenues	100.00%	100.00%	100.00%	100.00%
HMI Solutions [Member] | Automotive [Member]
Property, Plant and Equipment [Line Items]
Net revenues	$ 140	$ 440	$ 140	$ 936
Percentage of net revenues	21.00%	30.00%	29.00%	27.00%
HMI Solutions [Member] | Consumer electronics [Member]
Property, Plant and Equipment [Line Items]
Net revenues	$ 538	$ 1,029	$ 1,319	$ 2,475
Percentage of net revenues	79.00%	70.00%	71.00%	73.00%
HMI Products [Member]
Property, Plant and Equipment [Line Items]
Net revenues	$ 80	$ 241	$ 192	$ 311
Percentage of net revenues	100.00%	100.00%	100.00%	100.00%
HMI Products [Member] | Automotive [Member]
Property, Plant and Equipment [Line Items]
Net revenues	$ 7	$ 0	$ 15	$ 1
Percentage of net revenues	9.00%		8.00%
HMI Products [Member] | Medical [Member]
Property, Plant and Equipment [Line Items]
Net revenues	$ 47	$ 40	$ 103	$ 60
Percentage of net revenues	59.00%	17.00%	54.00%	19.00%
HMI Products [Member] | Distributors and other [Member]
Property, Plant and Equipment [Line Items]
Net revenues	$ 26	$ 201	$ 74	$ 250
Percentage of net revenues	32.00%	83.00%	38.00%	81.00%