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Patents (Tables)
3 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of patents

The following is a schedule of estimated future patent amortization expenses by fiscal year as of September 30, 2018:

 

2019     $ 96,335  
2020     $ 106,103  
2021     $ 99,932  
2022     $ 67,385  
2023     $ 66,315