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Note 8 - Other Assets, Net
12 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Other Assets Disclosure [Text Block]
8.
Other Assets, net
 
Other assets, net of accumulated amortization consisted of the following (in thousands):
 
   
June 30,
 
   
2018
   
2017
 
Website development
  $
90
    $
90
 
Licenses
   
520
     
552
 
Patents and trademarks
   
366
     
366
 
Total Other Assets
   
976
     
1,008
 
Less: Accumulated Amortization
   
(778
)
   
(778
)
Other assets, net   $
198
    $
230
 
  
   
Year Ended June 30,
 
   
2018
   
2017
   
2016
 
Amortization expense on website development
  $
14
    $
12
    $
-
 
Amortization expense on licenses
   
18
     
16
     
16
 
Amortization expense on patents and trademarks
   
18
     
17
     
18
 
Change in estimate on patents and trademarks
1
   
-
     
-
     
73
 
Total amortization expense
  $
50
    $
45
    $
107
 
 
1.
The change in estimate is the result of the review of information contained in the amortization assumptions which is based on new information resulted in a non-recurring change in the amortization expense.
 
Future amortization is expected to be as follows (in thousands):
 
Year ended June 30, 2019
  $
50
 
2020
   
24
 
2021
   
23
 
2022
   
23
 
2023
   
23
 
Thereafter
   
55
 
    $
198