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Note 12 - Segment Reporting (Tables)
6 Months Ended
Jun. 30, 2014
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

2014

 

CVD

   

SDC

   

Eliminations *

   

Consolidated

 

Revenue

  $ 4,996,004     $ 1,316,196     $ (204,882 )   $ 6,107,318  

Pretax income

    (230,208 )     370,995               140,787  
                                 

2013

                               

Revenue

  $ 3,764,610     $ 1,178,672     $ (95,676 )   $ 4,847,606  

Pretax income

    790,214       214,304               1,004,518  

2014

 

CVD

   

SDC

   

Eliminations *

   

Consolidated

 

Revenue

  $ 8,646,167     $ 2,327,628     $ (481,406 )   $ 10,492,389  

Pretax (loss)/income

    (397,096 )     489,116               92,020  
                                 

2013

                               

Revenue

  $ 6,456,366     $ 2,048,361     $ (207,103 )   $ 8,297,624  

Pretax (loss)/income

    (125,090 )     227,222               102,132