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SEGMENT REPORTING (Tables)
 6 Months Ended
Jun. 30, 2013
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Other operations include certain IT activities (protocol management software for cancer patients and billing software) and outsourced consulting activities performed by the Company's DSIT subsidiary as well as Cathodic Protection activities in the Company's OmniMetrix subsidiary that do not meet the quantitative thresholds under applicable accounting principles.

 
 
Energy &
Security
Sonar
Solutions
 
GridSense
 
USSI
 
Power Generation Monitoring
 
Other
 
Total
Six months ended June 30, 2013
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from external customers
 
$
6,186

 
$
2,474

 
$
635

 
$
804

 
850

 
$
10,949

Intersegment revenues
 
—

 
—

 
39

 
—

 
—

 
39

Segment gross profit (loss)
 
2,335

 
1,050

 
(850
)
 
439

 
423

 
3,397

Impairment of intangibles (see Note 7(b))
 
—

 
—

 
—

 
1,116

 
—

 
1,116

Restructuring and related charges (see Note 4)
 
—

 
594

 
—

 
—

 
—

 
594

Depreciation and amortization
 
117

 
189

 
169

 
177

 
80

 
732

Stock compensation expense
 
—

 
—

 
68

 
—

 
—

 
68

Segment net income (loss) before income taxes
 
314

 
(2,737
)
 
(4,170
)
 
(1,832
)
 
11

 
(8,414
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Six months ended June 30, 2012
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from external customers
 
$
6,182

 
1,907

 
$
1,083

 
$
115

 
623

 
$
9,910

Intersegment revenues
 
—

 
—

 
—

 
—

 
—

 
—

Segment gross profit (loss)
 
2,297

 
817

 
(605
)
 
(29
)
 
206

 
2,686

Depreciation and amortization
 
116

 
189

 
153

 
132

 
66

 
656

Stock compensation expense
 
—

 
—

 
—

 
—

 
—

 
—

Segment net income (loss) before income taxes
 
581

 
(2,057
)
 
(3,802
)
 
(307
)
 
(90
)
 
(5,675
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Three months ended June 30, 2013
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from external customers
 
$
3,140

 
$
931

 
$
310

 
$
408

 
$
444

 
$
5,233

Intersegment revenues
 
—

 
—

 
—

 
—

 
—

 
—

Segment gross profit (loss)
 
1,113

 
389

 
(682
)
 
203

 
249

 
1,272

Impairment of intangibles (see Note 7(b))
 
—

 
—

 
—

 
1,116

 
—

 
1,116

Restructuring and related charges (see Note 4)
 
—

 
594

 
—

 
—

 
—

 
594

Depreciation and amortization
 
60

 
85

 
85

 
89

 
40

 
359

Stock compensation expense
 
—

 
—

 
34

 
—

 
—

 
34

Segment net income (loss) before income taxes
 
62

 
(1,590
)
 
(2,319
)
 
(1,451
)
 
(1
)
 
(5,299
)
 
 
 
 
 
 
 
 
 
 
 
 

Three months ended June 30, 2012
 
 
 
 
 
 
 
 
 
 
 
 
Revenues from external customers
 
$
3,419

 
$
989

 
$
962

 
$
30

 
$
327

 
$
5,727

Intersegment revenues
 
—

 
—

 
—

 
—

 
—

 
—

Segment gross profit (loss)
 
1,337

 
473

 
(394
)
 
(69
)
 
139

 
1,486

Depreciation and amortization
 
58

 
93

 
83

 
89

 
41

 
364

Stock compensation expense
 
—

 
—

 
—

 
—

 
—

 
—

Segment net income (loss) before income taxes
 
421

 
(858
)
 
(2,087
)
 
(292
)
 
(23
)
 
(2,839
)
Reconciliation of Segment Income (Loss) from Segment to Consolidated [Table Text Block]
Reconciliation of Segment Income (Loss) to Consolidated Net Loss Before Income Taxes
 
 
Six months ended June 30,
 
Three months ended June 30,
 
 
2012
 
2013
 
2012
 
2013
Total net loss before income taxes for reportable segments
 
$
(5,585
)
 
$
(8,425
)
 
$
(2,816
)
 
$
(5,298
)
Other operational segment net income (loss) before income taxes
 
(90
)
 
11

 
(23
)
 
(1
)
Total segment net loss before income taxes
 
(5,675
)
 
(8,414
)
 
(2,839
)
 
(5,299
)
   Unallocated cost of corporate headquarters*
 
(2,727
)
 
(2,755
)
 
(1,267
)
 
(1,363
)
   Unallocated cost of DSIT and OmniMetrix headquarters
 
(441
)
 
(1,398
)
 
(367
)
 
(787
)
Consolidated loss before income taxes
 
$
(8,843
)
 
$
(12,567
)
 
$
(4,473
)
 
$
(7,449
)