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3. STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Stock-based compensation costs $ 52,341 $ 201,612  
Warrants exercised, value $ 6,667    
An Investor [Member]      
Stock issued for services, shares 88,888    
Stock price $ .45    
November 2016 Sale [Member]      
Units sold, shares issued   1,333,334  
Proceeds from sale of units   $ 780,000  
Accounts payable paid by issuing units   $ 20,000  
August 2017 Sale [Member]      
Units sold, shares issued 466,668    
Proceeds from sale of shares $ 210,001    
Warrants [Member]      
Warrants outstanding 0 3,661,560  
Warrant weighted average exercise price   $ 0.75  
Warrants expired 2,994,893    
Warrants exercised, shares 666,667    
Warrants exercised, value $ 6,667    
2011 Plan [Member]      
Shares authorized for issuance under the plan 1,825,000    
Stock options outstanding 933,102    
Shares available for future grants 798,898    
2006 Plan [Member]      
Shares authorized for issuance under the plan 122,598    
Stock options outstanding 123,798    
Shares available for future grants 0    
Stock Options [Member]      
Options granted 40,000 15,000  
Stock options outstanding 1,055,700 1,078,400 1,136,000
Aggregate intrinsic value of "in the money" outstanding $ 18,350    
Aggregate intrinsic value of "in the money" exercisable $ 17,700