OPERATING SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 operating_segment	Jun. 30, 2011	Dec. 31, 2011
Segment Reporting Information [Line Items]
number of operating segments			2
Net sales	$ 8,600	$ 6,787	$ 16,139	$ 14,663
Operating Income (Loss)	(174)	(1,194)	(766)	(2,100)
Assets	23,272	24,668	23,272	24,668	24,668
Electronic devices [Member]
Segment Reporting Information [Line Items]
Net sales	5,940	4,705	11,356	9,327
Operating Income (Loss)	772	294	1,347	486
Assets	16,281	16,188	16,281	16,188
Communications equipment [Member]
Segment Reporting Information [Line Items]
Net sales	2,660	2,082	4,783	5,336
Operating Income (Loss)	(173)	(591)	(478)	(671)
Assets	6,364	7,262	6,364	7,262
Corporate and other costs [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	(773)	(897)	(1,635)	(1,915)
Corporate and other assets [Member]
Segment Reporting Information [Line Items]
Assets	627	873	627	873
Assets Held-for-sale [Member]
Segment Reporting Information [Line Items]
Assets	$ 0	$ 345	$ 0	$ 345