BUSINESS SEGMENTS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 Segment		Dec. 31, 2012
BUSINESS SEGMENTS [Abstract]
Number of business segments	2
Business segment information [Abstract]
Net sales	$ 24,838,000		$ 29,438,000
Income (loss) before income tax provision [Abstract]
Interest expense	(59,000)		(124,000)
Investment and other income, net	22,000		144,000
Loss before income tax provision	(263,000)		(65,000)
Assets [Abstract]
Assets	19,731,000		24,976,000
Elimination of intersegment gross profit in ending inventory	(41,000)		(50,000)
Depreciation and amortization [Abstract]
Depreciation and amortization	463,000		288,000
Restructuring charges	29,000		0
Goodwill and intangible asset impairment charges	1,194,000		820,000
Electronics Group [Member]
Business segment information [Abstract]
Net sales	13,147,000		17,066,000
Income (loss) before income tax provision [Abstract]
Loss before income tax provision	(1,022,000)	[1]	(1,592,000)	[1]
Assets [Abstract]
Assets	8,859,000		12,540,000
Depreciation and amortization [Abstract]
Depreciation and amortization	428,000		266,000
Power Group [Member]
Business segment information [Abstract]
Net sales	11,711,000		12,382,000
Income (loss) before income tax provision [Abstract]
Loss before income tax provision	1,978,000		2,717,000
Assets [Abstract]
Assets	7,240,000		8,504,000
Depreciation and amortization [Abstract]
Depreciation and amortization	35,000		22,000
Intersegment [Member]
Business segment information [Abstract]
Net sales	(20,000)		(10,000)
Income (loss) before income tax provision [Abstract]
Loss before income tax provision	9,000		14,000
General Corporate Not Allocated [Member]
Income (loss) before income tax provision [Abstract]
Loss before income tax provision	(1,191,000)		(1,224,000)
Assets [Abstract]
Assets	3,673,000		3,982,000
Domestic [Member] | Electronics Group [Member]
Business segment information [Abstract]
Net sales	12,112,000		15,311,000
Domestic [Member] | Power Group [Member]
Business segment information [Abstract]
Net sales	10,780,000		11,326,000
Foreign [Member] | Electronics Group [Member]
Business segment information [Abstract]
Net sales	1,035,000		1,755,000
Foreign [Member] | Power Group [Member]
Business segment information [Abstract]
Net sales	$ 931,000		$ 1,056,000

[1] Includes restructuring charges of $29,000 in 2013 and costs related to non-renewal of a senior officer contract and a goodwill impairment charge of $1,194,000 and $820,000, respectively, in 2012.