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Note 7 - Debt Issuance Costs
6 Months Ended
Jun. 30, 2016
Notes to Financial Statements  
Debt Disclosure [Text Block]
7.     Debt issuance costs
 
The following table summarizes the deferred financing costs which are presented as a direct deduction from the carrying amount of their related debt liabilities (in thousands):
 
 
 
June 30, 2016
 
 
December 31, 2015
 
 
 
Convertible Notes Payable
 
 
Long-Term
Debt
 
 
Convertible Notes Payable
 
 
Long-Term
Debt
 
Loan principal amount
  $ 2,775     $ 300     $ 2,775     $ 300  
Deferred financing costs
    105       37       105       37  
Accumulated Amortization
    (52 )     (28 )     (40 )     (26 )
Unamortized balance
    53       9       65       11  
Loan amount, net
  $ 2,722     $ 291     $ 2,712     $ 287  
 
We recorded amortization of debt issuance costs of $14,000 for both of the six month periods ended June 30, 2016 and 2015.