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Note B - Factoring (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
 
 
December 31,
 
 
 
2016
 
 
2015
 
                 
Accounts receivable - current
   $
1,577,031
     $
3,405,190
  
Accounts receivable - non current
    
2,070,000
      
-
  
     
3,647,031
      
3,405,190
  
Allowance for doubtful accounts - current
    
(13,785
)
    
(13,785
)
Allowance for doubtful accounts - non current
    
(500,000
)
    
-
  
                 
                 
Accounts receivable, net of allowances for doubtful accounts
   $
3,133,246
     $
3,391,405
  
Factoring Fees [Table Text Block]
 
 
Years Ended December 31,
 
 
 
2016
 
 
2015
 
                 
Factoring fees
   $
341,023
     $
383,629
  
Factored Accounts Receivable [Member]  
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   
Original Invoice
Value
    
Factored
Amount
    
Factored
Balance due
  
Year Ended December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
 
Factored accounts receivable
   $
214,556
     $
160,918
     $
53,638
  
Year Ended December 31, 2015
 
 
 
 
 
 
 
 
 
 
 
 
Factored accounts receivable
   $
149,680
     $
112,259
     $
37,421