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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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