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3. STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock options outstanding
Range of Exercise Prices  Number of Shares   Weighted-Average Remaining Contractual Life (years)   Weighted-Average Exercise Price   Exercisable Number of Shares   Exercisable Weighted-Average Exercise Price 
  $0.73    319,000    9.64   $0.73    106,333   $0.73 
  $0.73    330,000    9.64   $0.73    137,500   $0.73 
  $0.90    35,000    8.78   $0.90    20,417   $0.90 
  $0.90    30,000    8.78   $0.90    30,000   $0.90 
  $1.20    207,800    6.42   $1.20    207,800   $1.20 
  $0.90    9,000    8.26   $0.90    9,000   $0.90 
  $0.85    9,000    7.26   $0.85    9,000   $0.85 
  $0.55    44,000    6.37   $0.55    44,000   $0.55 
  $0.27    40,000    5.79   $0.27    40,000   $0.27 
  $1.35    1,200    4.15   $1.35    1,200   $1.35 
  $1.25    1,200    3.16   $1.25    1,200   $1.25 
  $6.25    1,600    1.16   $6.25    1,600   $6.25 
  $7.75    1,200    2.16   $7.75    1,200   $7.75 
  $11.50    800    0.16   $11.50    800   $11.50 
  $13.75    49,279    0.61   $13.75    49,279   $13.75 
  $0.27–$13.75    1,079,079    8.21   $1.43    659,329   $1.87