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Employee Stock Purchase Plan (Tables)
 12 Months Ended
Jun. 30, 2018
Employee Stock Purchase Plan [Abstract]  
Schedule of Employee Stock Purchase Plan Activity

 

 

Purchase Period Ended

 

 

 

June 30,

 

 

 

2018

 

 

2017

 

 

2016

 

Non-cash stock based compensation expense

 

$

10

 

 

$

4

 

 

$

19

 

Common shares purchased

 

 

5

 

 

 

4

 

 

 

2

 

Average purchase price per share

 

$

5.95

 

 

$

3.86

 

 

$

8.50