BUSINESS COMBINATIONS (Detail Textuals 1) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Business Acquisition [Line Items] | ||||||||||||
| Net sales contributed by Omnilink | $ 17,577 | $ 17,412 | $ 17,606 | $ 18,050 | $ 18,785 | $ 23,334 | $ 25,653 | $ 21,678 | $ 70,645 | $ 89,450 | $ 93,869 | |
| Omnilink Systems, Inc. | ||||||||||||
| Business Acquisition [Line Items] | ||||||||||||
| Net sales contributed by Omnilink | 8,700 | |||||||||||
| Adjustment for depreciation expense | 100 | |||||||||||
| Adjustment for amortization expense | 300 | |||||||||||
| Adjustment for interest expense | 100 | |||||||||||
| Adjustment for acquisition related costs | $ 1,000 | $ 1,000 | ||||||||||