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Summary of Significant Accounting Policies - Narrative (Details)
 12 Months Ended
Oct. 19, 2015
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Summary of Significant Accounting Policies Additional Information [Abstract]        
Recorded bad debt expense   $ 0 $ 0 $ 0
Impairment of intangible assets   0 0 0
Loss from write-off of intangible assets   $ 350,000 0 0
Money back guarantee period   30 days    
Percentage of products can be returned for a full refund by terminated distributors   30.00%    
Restocking fee percent for full refund (percent)   10.00%    
Reserve balance for returns and allowances   $ 400,000 300,000  
Research and development   1,100,000 $ 1,000,000 $ 2,400,000
Stock split ratio 7      
Cash Accounts Held Primarily At Financial Institution        
Summary of Significant Accounting Policies Additional Information [Abstract]        
Concentration of credit risk   8,200,000    
Cash Accounts Held at Other Financial Institutions        
Summary of Significant Accounting Policies Additional Information [Abstract]        
Concentration of credit risk   $ 3,300,000