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3. STOCKHOLDERS' EQUITY (Details - Option activity) - Stock Options [Member] - $ / shares
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Stock option activity      
Number of stock options outstanding - at beginning 1,079,079 409,087  
Number of Shares options granted 160,000 714,000  
Number of Shares options cancelled (103,079) (44,008)  
Number of stock options outstanding - at ending 1,136,000 1,079,079 409,087
Weighted average exercise price options outstanding- at beginning $ 1.43 $ 4.41  
Weighted average exercise price - grants 0.49 0.75  
Weighted average exercise price - cancelled 7.03 18.04  
Weighted average exercise price options outstanding - at end $ 0.79 $ 1.43 $ 4.41
Weighted average contractual life 8 years 8 years 5 months 16 days 6 years 3 months 7 days