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Note 20 - Segment Information (Tables)
12 Months Ended
Dec. 31, 2014
Income Statement [Member]  
Note 20 - Segment Information (Tables) [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
    Year ended December 31,    
   

2014

   

2013

 

Net revenue from unaffiliated customers:

               

Industrial Group

  $ 322,262     $ 276,136  

Electronics Group

    32,514       34,578  
    $ 354,776     $ 310,714  
    Year Ended December 31,  
    2014     2013  

Gross profit (loss):

               

Industrial Group

  $ 42,021     $ 31,638  

Electronics Group

    (3,191 )     (1,585 )
    $ 38,830     $ 30,053  

Operating income (loss):

               

Industrial Group

  $ 25,160     $ 20,021  

Electronics Group

    (13,479 )     (21,851 )

General, corporate and other

    (8,961 )     (8,558 )
    $ 2,720     $ (10,388 )

Income (loss) before income taxes:

               

Industrial Group

  $ 26,454     $ 20,985  

Electronics Group

    (13,476 )     (21,858 )

General, corporate and other

    (9,593 )     (9,107 )
    $ 3,385     $ (9,980 )

Depreciation and amortization:

               

Industrial Group

  $ 9,374     $ 11,261  

Electronics Group

    945       999  

General, corporate and other

    90       141  
    $ 10,409     $ 12,401  

Capital expenditures:

               

Industrial Group

  $ 3,725     $ 4,547  

Electronics Group

    811       444  

General, corporate and other

    723       62  
    $ 5,259     $ 5,053  
Balance Sheet [Member]  
Note 20 - Segment Information (Tables) [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
    December 31,  
    2014     2013  

Total assets:

               

Industrial Group

  $ 95,105     $ 100,593  

Electronics Group

    26,874       29,689  

General, corporate and other

    7,699       16,001  
    $ 129,681     $ 146,283  

Total liabilities:

               

Industrial Group

  $ 55,505     $ 54,232  

Electronics Group

    8,697       9,216  

General, corporate and other

    18,601       26,583  
    $ 82,793     $ 90,031