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Note 15 - Segments and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2013
Note 15 - Segments and Geographic Information (Tables) [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Years ended December 31,

 
   

2013

   

2012

   

2011

 

Solutions:

                       

Net sales

  $ 9,847     $ 10,569     $ 9,563  

Cost of sales

    8,361       9,150       8,041  

Gross profit

    1,486       1,419       1,522  

Operating expenses:

                       

Sales and marketing

    1,382       1,312       1,332  

General and administrative

    654       769       939  

Loss on impairment

    325       672       -  

Total operating expenses

    2,361       2,753       2,271  

Segment loss

  $ (875 )   $ (1,334 )   $ (749 )
                         

Products:

                       

Net sales

  $ 11,686     $ 12,806     $ 10,890  

Cost of sales

    8,593       10,253       8,587  

Gross profit

    3,093       2,553       2,303  

Operating expenses (income):

                       

Research and development

    597       368       (515 )

Sales and marketing

    2,389       2,347       3,257  

General and administrative

    336       285       352  

Loss on impairment

    608       -       -  

Total operating expenses

    3,930       3,000       3,094  

Segment loss

  $ (837 )   $ (447 )   $ (791 )
                         

Reconciliation of segment loss to net loss:

                       

Segment loss:

                       

Solutions

  $ (875 )   $ (1,334 )   $ (749 )

Products

    (837 )     (447 )     (791 )

Total segment loss

    (1,712 )     (1,781 )     (1,540 )

Operating expenses:

                       

Sales and marketing

    1,128       743       239  

General and administrative

    3,825       3,488       3,715  

Valuation of equity instruments

    -       -       56  

Change in estimate of contingent liabilities

    12       (102 )     (411 )

Restructuring

    80       -       -  

Total operating expenses

    5,045       4,129       3,599  

Other expense

    (190 )     (666 )     (836 )

Loss before income taxes from continuing operations

    (6,947 )     (6,576 )     (5,975 )

Benefit from income taxes

    -       -       2  

Net loss from continuing operations

  $ (6,947 )   $ (6,576 )   $ (5,973 )
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
   

Years ended December 31,

 
   

2013

   

2012

   

2011

 

United States

  $ 19,136     $ 20,363     $ 16,435  

International

    2,397       3,012       4,018  

Net sales

  $ 21,533     $ 23,375     $ 20,453  
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
   

2013

   

2012

 

United States

  $ 582     $ 2,350  

International

    9       58  

Long-lived assets, net

  $ 591     $ 2,408  
Products Segment [Member]
 
Note 15 - Segments and Geographic Information (Tables) [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Years ended December 31,

 
   

2013

   

2012

   

2011

 

Products segment net sales:

                       

Commercial products

  $ 5,966     $ 8,486     $ 6,612  

Government products/R&D services

    5,720       4,320       4,278  

Total products segment net sales

    11,686       12,806       10,890  
                         

Products segment cost of sales:

                       

Commercial products

    4,148       6,170       4,607  

Government products/R&D services

    4,445       4,083       3,980  

Total products segment cost of sales

    8,593       10,253       8,587  
                         

Products segment gross profit:

                       

Commercial products

    1,818       2,316       2,005  

Government products/R&D services

    1,275       237       298  

Total products segment gross profit

  $ 3,093     $ 2,553     $ 2,303