Segment Information - Schedule of Reportable Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues from Operations
Revenues from operations	$ 8,588	$ 6,338	$ 23,058	$ 18,440
Operating Income
Total operating income	1,122	477	2,412	1,124
Interest (expense) income, net		(5)	1	1
Other income, net	82	73	352	164
Total Other Income, Net	82	68	353	165
INCOME BEFORE INCOME TAXES	1,204	545	2,765	1,289
Unallocated corporate expense [Member]
Operating Income
Total operating income	(464)	(673)	(992)	(1,239)
Electronic components [Member]
Revenues from Operations
Revenues from operations	8,218	6,028	22,011	17,593
Electronic components [Member] | Reportable Segment [Member]
Operating Income
Total operating income	1,493	1,126	3,147	2,297
Electronic instruments [Member]
Revenues from Operations
Revenues from operations	370	310	1,047	847
Electronic instruments [Member] | Reportable Segment [Member]
Operating Income
Total operating income	$ 93	$ 24	$ 257	$ 66