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SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Revenue from External Customers	$ 4,723	$ 5,233	$ 9,177	$ 10,949
Revenue from Related Parties	0	0	0	39
Segment gross profit (loss)	1,034	1,272	2,276	3,397
Impairment of Intangible Assets, Finite-lived	0	1,116	0	1,116
Restructuring Charges	198	594	198	594
Segment depreciation and amortization	350	393	625	770
Segment share based compensation expense	32	34	64	68
Segment net income (loss) before income taxes	(4,100)	(6,066)	(7,661)	(9,792)
Energy & Security Sonar Solutions Segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	2,522	3,140	5,037	6,186
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	459	1,113	1,145	2,335
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	0	0	0	0
Segment depreciation and amortization	74	60	145	117
Segment share based compensation expense	0	0	0	0
Segment net income (loss) before income taxes	(570)	62	(778)	314
GridSense segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	1,246	931	2,209	2,474
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	366	389	551	1,050
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	102	594	102	594
Segment depreciation and amortization	66	85	131	189
Segment share based compensation expense	0	0	0	0
Segment net income (loss) before income taxes	(805)	(1,590)	(1,778)	(2,737)
USSI segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	0	310	0	635
Revenue from Related Parties	0	0	0	39
Segment gross profit (loss)	(242)	(682)	(430)	(850)
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	0	0	0	0
Segment depreciation and amortization	182	85	290	169
Segment share based compensation expense	32	34	64	68
Segment net income (loss) before income taxes	(2,238)	(2,319)	(4,194)	(4,170)
Power Generation Monitoring segment [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	548	408	1,056	804
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	252	203	564	439
Impairment of Intangible Assets, Finite-lived		1,116		1,116
Restructuring Charges	77	0	77	0
Segment depreciation and amortization	18	115	35	206
Segment share based compensation expense	0	0	0	0
Segment net income (loss) before income taxes	(448)	(2,047)	(851)	(2,876)
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenue from External Customers	407	444	875	850
Revenue from Related Parties	0	0	0	0
Segment gross profit (loss)	199	249	446	423
Impairment of Intangible Assets, Finite-lived		0		0
Restructuring Charges	19	0	19	0
Segment depreciation and amortization	10	48	24	89
Segment share based compensation expense	0	0	0	0
Segment net income (loss) before income taxes	$ (39)	$ (172)	$ (60)	$ (323)

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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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