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Note 15 - Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2013
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

CVD

   

SDC

   

Eliminations

   

Consolidated

 

Assets

  $ 39,783,689     $ 6,334,352     $ (6,976,402 )   $ 39,141,639  
                                 

Revenue

  $ 13,136,083     $ 5,155,641     $ (407,797 )   $ 17,883,927  

Interest Expense

    162,914       824               163,738  

Depreciation and Amortization

    571,046       75,376               646,422  

Capital expenditures

    1,954,621       116,936               2,071,557  

Pretax (loss)/earnings

    (2,697,114 )     740,384               (1,956,730 )
   

CVD

   

SDC

   

Eliminations

   

Consolidated

 

Assets

  $ 43,872,295     $ 4,628,432     $ (5,975,466 )   $ 42,525,261  
                                 

Revenue

  $ 19,149,704     $ 4,394,945     $ (1,386,912 )   $ 22,157,737  

Interest Expense

    195,861       9,013               204,874  

Depreciation and amortization

    442,227       72,988               515,215  

Capital expenditures

    11,767,024       29,716               11,796,740  

Pretax (loss)/earnings

    (18,722 )     418,814               400,092