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Note 9. Segment Information (Tables)
6 Months Ended
Sep. 30, 2013
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

Three Months Ended

 

Medical

   

Industrial

   

Adjustments *

   

Consolidated

 

September 30, 2013

                               

Net sales

  $ 3,399     $ 569     $ -     $ 3,968  

Gross profit

    981       214       -       1,195  

Operating (loss) income

    (1,345 )     62       -       (1,283 )

Interest expense, net

    (43 )     -       -       (43 )

Depreciation and amortization

    170       3       -       173  

Stock-based compensation expense(1)

    (221 )     (6 )     -       (227 )

Total assets

    11,240       1,333       (1,840 )     10,733  

Expenditures for fixed assets

    46       -       -       46  
                                 

September 30, 2012

                               

Net sales

  $ 2,724     $ 1,015     $ -     $ 3,739  

Gross profit

    746       324       -       1,070  

Operating (loss) income

    (2,688 )     67       -       (2,621 )

Interest expense, net

    (236 )     -       -       (236 )

Depreciation and amortization

    196       6       -       202  

Stock-based compensation expense

    560       9       -       569  

Total assets

    12,751       1,753       (1,974 )     12,530  

Expenditures for fixed assets

    19       -       -       19  
                                 

Six Months Ended

                               

September 30, 2013

                               

Net sales

  $ 6,428     $ 1,192     $ -     $ 7,620  

Gross profit

    1,774       501       -       2,275  

Operating (loss) income

    (3,732 )     60       -       (3,672 )

Interest expense, net

    (84 )     -       -       (84 )

Depreciation and amortization

    355       7       -       362  

Stock-based compensation expense(1)

    309       19       -       328  

Expenditures for fixed assets

    46       -       -       46  
                                 

September 30, 2012

                               

Net sales

  $ 5,220     $ 1,915     $ -     $ 7,135  

Gross profit

    1,341       642       -       1,983  

Operating (loss) income

    (5,032 )     107       -       (4,925 )

Interest expense, net

    (429 )     -       -       (429 )

Depreciation and amortization

    393       13       -       406  

Stock-based compensation expense

    960       52       -       1,012  

Expenditures for fixed assets

    55       -       -       55  
Segment Reporting, Measurement Differences Between Segment and Consolidated Profit (Loss)
   

September 30,

 

* Adjustments

 

2013

   

2012

 

Intercompany eliminations

  $ (1,154 )   $ (1,288 )

Investment in subsidiaries

    (686 )     (686 )

Total adjustments

  $ (1,840 )   $ (1,974 )
Reconciliation of Operating Profit (Loss) from Segments to Consolidated
   

Three Months Ended

September 30,

   

Six Months Ended

September 30,

 

Reconciliation to loss before provision for income taxes:

 

2013

   

2012

   

2013

   

2012

 

Operating loss

  $ (1,283 )   $ (2,621 )   $ (3,672 )   $ (4,925 )

Interest expense, net

    (43 )     (236 )     (84 )     (429 )

Other, net

    6       (35 )     2       (40 )

Debt cost expense

    -       (128 )     -       (272 )

Loss on extinguishment of debt

    -       (1,244 )     -       (1,244 )

Loss before provision for income taxes

  $ (1,320 )   $ (4,264 )   $ (3,754 )   $ (6,910 )