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Note 11 - Segments and Geographic Information (Tables)
9 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]  
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
   

Three months ended

   

Nine months ended

 
   

September 30,

   

September 30,

 
   

2014

   

2013

   

2014

   

2013

 

Solutions:

                               

Net sales

  $ 224     $ 2,104     $ 3,545     $ 5,894  

Cost of sales

    309       1,888       2,822       5,186  

Gross (loss) profit

    (85 )     216       723       708  

Operating expenses:

                               

Selling, general, and administrative

    295       512       1,078       1,460  

Loss on impairment

    -       -       -       325  

Total operating expenses

    295       512       1,078       1,785  

Segment loss

  $ (380 )   $ (296 )   $ (355 )   $ (1,077 )
                                 

Products:

                               

Net sales

  $ 7,666     $ 2,723     $ 15,963     $ 9,044  

Cost of sales

    5,023       2,009       10,532       6,701  

Gross profit

    2,643       714       5,431       2,343  

Operating expenses:

                               

Research and development

    63       57       181       266  

Selling, general, and administrative

    1,182       464       3,200       2,073  

Restructuring

    -       79       -       79  

Total operating expenses

    1,245       600       3,381       2,418  

Segment income (loss)

  $ 1,398     $ 114     $ 2,050     $ (75 )

Reconciliation of segment income (loss) to net loss:

                               

Segment income (loss):

                               

Solutions

  $ (380 )   $ (296 )   $ (355 )   $ (1,077 )

Products

    1,398       114       2,050       (75 )

Total segment income (loss)

    1,018       (182 )     1,695       (1,152 )

Operating expenses:

                               

Research and development

    169       -       445       -  

Selling, general, and administrative

    1,171       1,496       3,207       3,492  

Change in estimate of contingent liabilities

    -       -       -       12  

Total operating expenses

    1,340       1,496       3,652       3,504  

Other (expense) income

    (81 )     (192 )     (3,120 )     168  

Loss from continuing operations before income taxes

    (403 )     (1,870 )     (5,077 )     (4,488 )

Benefit for income taxes

    -       -       2       -  

Net loss from continuing operations

  $ (403 )   $ (1,870 )   $ (5,075 )   $ (4,488 )
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
   

Three months ended

   

Nine months ended

 
   

September 30,

   

September 30,

 
   

2014

   

2013

   

2014

   

2013

 

Products segment net sales:

                               

Commercial

  $ 1,648     $ 1,451     $ 4,743     $ 4,739  

Government

    6,002       707       11,164       2,563  

R&D services

    16       565       56       1,742  

Total products segment net sales

    7,666       2,723       15,963       9,044  
                                 

Products segment cost of sales:

                               

Commercial

    1,062       991       3,027       3,312  

Government

    3,945       445       7,470       1,746  

R&D services

    16       573       35       1,643  

Total products segment cost of sales

    5,023       2,009       10,532       6,701  
                                 

Products segment gross profit:

                               

Commercial

    586       460       1,716       1,427  

Government

    2,057       262       3,694       817  

R&D services

    -       (8 )     21       99  

Total products segment gross profit

  $ 2,643     $ 714     $ 5,431     $ 2,343  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
   

Three months ended

   

Nine months ended

 
   

September 30,

   

September 30,

 
   

2014

   

2013

   

2014

   

2013

 
                                 

United States

  $ 7,517     $ 4,213     $ 17,390     $ 12,983  

International

    373       614       2,118       1,955  

Net sales

  $ 7,890     $ 4,827     $ 19,508     $ 14,938  
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
   

September 30,

   

December 31,

 
   

2014

   

2013

 
                 

United States

  $ 529     $ 582  

International

    27       9  

Long-lived assets, net

  $ 556     $ 591