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Note 14 - Available-for-sale Securities
9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Note
14.
Available-for-sale Securities
 
We have purchased certain investments to meet dual objectives of capital preservation and maintenance of sufficient resources to fund insurance losses. As such, the investments are
not
held for the purpose of trading. Furthermore, due to the uncertain nature of insurance losses, the investments are
not
held-to-maturity, and are thus classified as available-for-sale securities. Unrealized holding gains and losses on these investments are excluded from earnings and reported in other comprehensive income until realized. Unrealized holding losses below, which are comprised of
ten
investments in an unrealized loss position, are
not
considered other-than-temporary, as both the duration and amount of unrealized losses have been insignificant.
 
(in thousands)
 
September 30, 2018
 
   
Amortized
cost basis
   
Gross unrealized losses
(less than 12 months)
   
Fair value
 
US corporate securities, maturing within one to five years
  $
396
    $
(2
)   $
394
 
Certificates of deposit, maturing in less than one year
   
600
     
(0
)    
600
 
Certificates of deposit, maturing within one to five years
   
500
     
(1
)    
499
 
Total available-for-sale securities
  $
1,496
    $
(3
)   $
1,493