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SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Revenue from External Customers	$ 5,639	$ 4,982	$ 14,816	$ 15,931
Revenue from Related Parties	0	0	0	39
Segment gross profit (loss)	1,505	1,059	3,781	4,456
Impairment of Intangible Assets, Finite-lived	0	5,615	0	6,731
Restructuring Charges	184	772	382	1,366
Segment depreciation and amortization	342	404	967	1,174
Segment share based compensation expense	29	77	99	145
Segment net income (loss) before income taxes	(3,570)	(11,332)	(11,231)	(21,124)
Energy & Security Sonar Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	3,075	2,537	8,112	8,723
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	1,044	852	2,189	3,187
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	0	0	0	0
Segment depreciation and amortization	67	65	212	182
Segment share based compensation expense	2	44	2	44
Segment net income (loss) before income taxes	140	(204)	(638)	110
GridSense segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	1,153	1,069	3,362	3,543
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	391	448	942	1,498
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	96	0	198	594
Segment depreciation and amortization	63	77	194	266
Segment share based compensation expense	27	0	33	0
Segment net income (loss) before income taxes	(665)	(812)	(2,443)	(3,549)
USSI segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	471	513	471	1,148
Revenue from Related Parties	0	0	0	39
Segment gross profit (loss)	(428)	(688)	(858)	(1,538)
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	88	0	88	0
Segment depreciation and amortization	183	106	473	275
Segment share based compensation expense	0	33	64	101
Segment net income (loss) before income taxes	(2,686)	(2,668)	(6,880)	(6,838)
Power Generation Monitoring segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	531	411	1,587	1,215
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	290	177	854	616
Impairment of Intangible Assets, Finite-lived		4,225		5,341
Restructuring Charges	0	583	77	583
Segment depreciation and amortization	17	105	52	311
Segment share based compensation expense	0	0	0	0
Segment net income (loss) before income taxes	(358)	(5,844)	(1,209)	(8,720)
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	409	452	1,284	1,302
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	208	270	654	693
Impairment of Intangible Assets, Finite-lived		1,390		1,390
Restructuring Charges	0	189	19	189
Segment depreciation and amortization	12	51	36	140
Segment share based compensation expense	0	0	0	0
Segment net income (loss) before income taxes	$ (1)	$ (1,804)	$ (61)	$ (2,127)

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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