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Schedule II - Valuation and Qualifying Accounts Allowance for Doubtful Accounts
 12 Months Ended
Dec. 31, 2014
Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II - Valuation and Qualifying Accounts   

Allowance for Doubtful Accounts

(Deducted from Accounts Receivable)


   

2014

   

2013

   

2012

 

Balance at January 1

  $ 25,000     $ 25,000     $ 75,000  
                         

(Deductions from)/charges to costs and expenses

    ---       ---       ---  

Deductions from reserves

    ---       ---       (50,000 )
                         

Balance at December 31,

  $ 25,000     $ 25,000     $ 25,000