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Segment Information - Schedule of Reportable Business Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Revenues from Operations |  |
Revenues from operations | $ 24,870 | $ 22,402
Operating Income from Operations |  |
Consolidated total operating income | 1,430 | 276
Interest income (expense), net | 2 | (11)
Other income (expense), net | 138 | (46)
Total other income (expense) | 140 | (57)
Income Before Income Taxes | 1,570 | 219
Capital Expenditures |  |
Total capital expenditures | 324 | 131
Total Assets |  |
Total assets | 30,075 | 27,555
Unallocated corporate expense [Member] |  |
Operating Income from Operations |  |
Consolidated total operating income | (1,144) | (1,040)
Total Assets |  |
Total assets | 17,337 | 14,845
Electronic components [Member] |  |
Revenues from Operations |  |
Revenues from operations | 23,793 | 21,516
Electronic components [Member] | Reportable Segment [Member] |  |
Operating Income from Operations |  |
Consolidated total operating income | 2,525 | 1,260
Capital Expenditures |  |
Total capital expenditures | 324 | 131
Total Assets |  |
Total assets | 11,877 | 11,899
Electronic instruments [Member] |  |
Revenues from Operations |  |
Revenues from operations | 1,077 | 886
Electronic instruments [Member] | Reportable Segment [Member] |  |
Operating Income from Operations |  |
Consolidated total operating income | 49 | 56
Total Assets |  |
Total assets | $ 861 | $ 811

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