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Trademark and Patents (Tables)
3 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Trademark and patents, stated at cost, less accumulated amortization consisted of the following:
 
 
 
September 30,

2018
 
 
June 30,

2018
 
 
 
 
 
 
 
 
Trademarks and Patents
 
$
458,954
 
 
$
458,954
 
Less Accumulated Amortization
 
 
(86,094
)
 
 
(84,025
)
Trademarks and Patents, Net
 
$
372,860
 
 
$
374,929