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Condensed Consolidated Balance Sheets [Parenthetical] - USD ($)
Mar. 31, 2019
Jun. 30, 2018
Allowance for Doubtful Accounts Receivable, Current $ 100,175 $ 115,040
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 781,042 $ 749,923
Preferred Stock, Par or Stated Value Per Share $ 0.001 $ 0.001
Preferred Stock, Shares Authorized 20,000,000 20,000,000
Preferred Stock, Shares Issued 0 0
Preferred Stock, Shares Outstanding 0 0
Common Stock, Par or Stated Value Per Share $ 0.001 $ 0.001
Common Stock, Shares Authorized 100,000,000 100,000,000
Common Stock, Shares, Issued 24,230,661 24,230,661
Common Stock, Shares, Outstanding 24,016,999 24,016,999
Use Rights [Member]    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 241,568 $ 155,698