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SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | $ 5,233 | $ 5,727 | $ 10,949 | $ 9,910
Intersegment Revenue | 0 | 0 | 39 | 0
Segment gross profit (loss) | 1,272 | 1,486 | 3,397 | 2,686
Impairment of Intangible Assets, Finite-lived | 1,116 | 0 | 1,116 | 0
Restructuring Charges | 594 | 0 | 594 | 0
Segment depreciation and amortization | 359 | 364 | 732 | 656
Segment share based compensation expense | 34 | 0 | 68 | 0
Segment net income (loss) before income taxes | (5,299) | (2,839) | (8,414) | (5,675)
Energy & Security Sonar Solutions Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 3,140 | 3,419 | 6,186 | 6,182
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 1,113 | 1,337 | 2,335 | 2,297
Impairment of Intangible Assets, Finite-lived | 0 |  | 0 |
Restructuring Charges | 0 |  | 0 |
Segment depreciation and amortization | 60 | 58 | 117 | 116
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | 62 | 421 | 314 | 581
GridSense segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 931 | 989 | 2,474 | 1,907
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 389 | 473 | 1,050 | 817
Impairment of Intangible Assets, Finite-lived | 0 |  | 0 |
Restructuring Charges | 594 |  | 594 |
Segment depreciation and amortization | 85 | 93 | 189 | 189
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | (1,590) | (858) | (2,737) | (2,057)
USSI segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 310 | 962 | 635 | 1,083
Intersegment Revenue | 0 | 0 | 39 | 0
Segment gross profit (loss) | (682) | (394) | (850) | (605)
Impairment of Intangible Assets, Finite-lived | 0 |  | 0 |
Restructuring Charges | 0 |  | 0 |
Segment depreciation and amortization | 85 | 83 | 169 | 153
Segment share based compensation expense | 34 | 0 | 68 | 0
Segment net income (loss) before income taxes | (2,319) | (2,087) | (4,170) | (3,802)
Power Generation Monitoring segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 408 | 30 | 804 | 115
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 203 | (69) | 439 | (29)
Impairment of Intangible Assets, Finite-lived | 1,116 |  | 1,116 |
Restructuring Charges | 0 |  | 0 |
Segment depreciation and amortization | 89 | 89 | 177 | 132
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | (1,451) | (292) | (1,832) | (307)
All Other Segments [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from External Customers | 444 | 327 | 850 | 623
Intersegment Revenue | 0 | 0 | 0 | 0
Segment gross profit (loss) | 249 | 139 | 423 | 206
Impairment of Intangible Assets, Finite-lived | 0 |  | 0 |
Restructuring Charges | 0 |  | 0 |
Segment depreciation and amortization | 40 | 41 | 80 | 66
Segment share based compensation expense | 0 | 0 | 0 | 0
Segment net income (loss) before income taxes | $ (1) | $ (23) | $ 11 | $ (90)

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- Definition Amount of revenue from external customers for the reportable segment. Such disclosure is presented if the amount is: (a) included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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