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Note 12 - Disclosures About Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
Note
12
.     Disclosures about Fair Value of Financial Instruments
 
The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it was practical to estimate that value:
 
Class
Methods and/or Assumptions
 
Cash and cash equivalents:
 
Carrying value approximates fair value due to its readily convertible characteristic.
 
Certificate of Deposit:
 
Held until maturity and recorded at amortized cost which approximates fair value.
 
The estimated fair value of the Company's financial
instruments at
December 31, 2017
and
2016
are as follows.
 
(Presented in thousands)
         
2017
   
2016
 
   
 
Level
   
Carrying
Value
   
Fair Value
   
Carrying
Value
   
Fair Value
 
Financial Assets:
                                       
Cash and cash equivalents
   
1
    $
1,619
    $
1,619
    $
1,081
    $
1,081
 
Certificate of deposit
– short term
   
1
     
2,663
     
2,663
     
3,370
     
3,370
 
Certificate of deposit
– long term
   
1
     
--
     
--
     
720
     
720
 
     
 
    $
5,232
    $
5,232
    $
5,171
    $
5,171