Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Dec. 31, 2019
Jun. 30, 2019
Allowance for Doubtful Accounts Receivable, Current $ 88,773 $ 100,175
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 804,971 $ 789,788
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 24,475,556 24,375,948
Common Stock, Shares, Outstanding 24,475,556 24,375,948
Use Rights [Member]    
Finite-Lived Intangible Assets, Accumulated Amortization $ 330,109 $ 270,777