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Segments (Tables)
 6 Months Ended
Jun. 30, 2012
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
Gross profit by segment:
 
 
 
 
 
 
 
DIS
$
2,469

 
$
2,178

 
$
4,781

 
$
4,012

Product
1,212

 
1,816

 
2,572

 
3,502

Condensed Consolidated gross profit
$
3,681

 
$
3,994

 
$
7,353

 
$
7,514

Income (loss) from operations by segment:
 
 
 
 
 
 
 
DIS
$
383

 
$
(16
)
 
$
215

 
$
(308
)
Product
(1,289
)
 
(270
)
 
(2,403
)
 
(623
)
Condensed Consolidated loss from operations
$
(906
)
 
$
(286
)
 
$
(2,188
)
 
$
(931
)
Depreciation and amortization of tangible and intangible assets by segment:
 
 
 
 
 
 
 
DIS
$
469

 
$
821

 
$
974

 
$
1,692

Product
78

 
77

 
153

 
162

Condensed Consolidated depreciation and amortization
$
547

 
$
898

 
$
1,127

 
$
1,854
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
 
As of June 30, 2012
 
As of December 31, 2011
Identifiable assets by segment:
 
 
 
DIS
$
12,423

 
$
12,789

Product
35,768

 
37,238

Condensed Consolidated assets
$
48,191

 
$
50,027