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SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | $ 4,982 | $ 4,713 | $ 15,931 | $ 14,623
Intersegment Revenue | 0 | 0 | 39 | 0
Segment gross profit (loss) | 1,059 | 1,488 | 4,456 | 4,174
Goodwill and Intangible Asset Impairment | 5,615 | 0 | 6,731 | 0
Restructuring and Related Cost, Expected Cost | 0 |  | 594 |
Segment depreciation and amortization | 364 | 370 | 1,096 | 1,026
Segment share based compensation expense | 77 | 282 | 145 | 282
Segment net income (loss) before income taxes | (10,016) | (4,003) | (18,430) | (9,678)
Energy & Security Sonar Solutions Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 2,537 | 2,988 | 8,723 | 9,170
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 852 | 984 | 3,187 | 3,281
Goodwill and Intangible Asset Impairment | 0 |  | 0 |
Restructuring and Related Cost, Expected Cost | 0 |  | 0 |
Segment depreciation and amortization | 65 | 57 | 182 | 173
Segment share based compensation expense | 44 | 0 | 44 | 0
Segment net income (loss) before income taxes | (204) | 38 | 110 | 619
GridSense segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 1,069 | 977 | 3,543 | 2,884
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 448 | 423 | 1,498 | 1,240
Goodwill and Intangible Asset Impairment | 0 |  | 0 |
Restructuring and Related Cost, Expected Cost | 0 |  | 594 |
Segment depreciation and amortization | 77 | 99 | 266 | 288
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | (812) | (1,499) | (3,549) | (3,556)
USSI segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 513 | 234 | 1,148 | 1,317
Intersegment Revenue | 0 | 0 | 39 | 0
Segment gross profit (loss) | (688) | (168) | (1,538) | (773)
Goodwill and Intangible Asset Impairment | 0 |  | 0 |
Restructuring and Related Cost, Expected Cost | 0 |  | 0 |
Segment depreciation and amortization | 106 | 85 | 275 | 238
Segment share based compensation expense | 33 | 282 | 101 | 282
Segment net income (loss) before income taxes | (2,668) | (2,230) | (6,838) | (6,032)
Power Generation Monitoring segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 411 | 186 | 1,215 | 301
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 177 | 82 | 616 | 53
Goodwill and Intangible Asset Impairment | 4,225 |  | 5,341 |
Restructuring and Related Cost, Expected Cost | 0 |  | 0 |
Segment depreciation and amortization | 75 | 89 | 252 | 221
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | (4,854) | (332) | (6,686) | (639)
All Other Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 452 | 328 | 1,302 | 951
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 270 | 167 | 693 | 373
Goodwill and Intangible Asset Impairment | 1,390 |  | 1,390 |
Restructuring and Related Cost, Expected Cost | 0 |  | 0 |
Segment depreciation and amortization | 41 | 40 | 121 | 106
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | $ (1,478) | $ 20 | $ (1,467) | $ (70)

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