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

2014

 

CVD

   

SDC

   

Eliminations *

   

Consolidated

 

Revenue

  $ 7,693,131     $ 1,810,328     $ (636,301 )   $ 8,867,158  

Pretax income

    807,397       389,532               1,196,929  
                                 

2013

                               

Revenue

  $ 3,368,613     $ 1,425,304     $ (87,245 )   $ 4,706,672  

Pretax (loss)/income

    (854,063     240,106               (613,957

2014

 

CVD

   

SDC

   

Eliminations *

   

Consolidated

 

Revenue

  $ 16,339,298     $ 4,137,957     $ (1,117,708 )   $ 19,359,547  

Pretax income

    410,301       878,648               1,288,949  
                                 

2013

                               

Revenue

  $ 9,824,980     $ 3,473,665     $ (294,348 )   $ 13,004,297  

Pretax (loss)/income

    (979,148 )     467,328               (511,820