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DEFERRED REVENUE (Notes)
3 Months Ended
Sep. 30, 2018
Deferred Revenue [Abstract]  
Deferred Revenue Disclosure [Text Block]
DEFERRED REVENUE

Changes in unearned revenue were as follows:
 
 
Beginning
Balance
 
Deferral
of Revenue
 
Recognition
of Deferred
Revenue
 
Ending
Balance
Three Months Ended September 30, 2018
 
$
859,370

 
$
169,928

 
$
(283,032
)
 
$
746,266