XML 44 R33.htm IDEA: XBRL DOCUMENT v3.6.0.2
Note 3 - Available-for-sale Investments (Tables)
3 Months Ended
Dec. 31, 2016
Notes Tables  
Available-for-sale Securities [Table Text Block]
   
Amortized
Cost
   
Unrealized
Gains
   
Unrealized
Losses
   
Fair Value
 
December 31, 2016
  $
56,115,000
    $
29,000
    $
(1,099,000
)
  $
55,045,000
 
September 30, 2016
  $
55,724,000
    $
1,089,000
    $
(49,000
)
  $
56,764,000