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5. OPTIONS OUTSTANDING (Details) (USD $)
12 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Awards Outstanding 580,600  
Vested and Exercisable, end of period 420,800  
Qualified ISO
   
Awards Outstanding, beginning balance 689,800 957,636
Granted 20,000 100,000
Exercised (175,800) (360,736)
Expired (2,000) (7,100)
Awards Outstanding 532,000 689,800
Vested and Exercisable, end of period 392,600 467,100
Vested and Expected to Vest, end of period 519,600 666,789
Weighted-Average Exercise Price Per Share    
Outstanding $ 1.74 $ 1.4
Granted $ 5.06 $ 3.25
Exercised $ 1.9 $ 1.22
Expired $ 1 $ 2.54
Outstanding $ 1.82 $ 1.74
Vested and Exercisable, end of period $ 1.45 $ 1.42
Vested and Expected to Vest, end of period $ 1.79 $ 1.71
Weighted-Average Remaining Contractual Life    
Outstanding, beginning of period 4 years 6 months 7 days 5 years 2 months 19 days
Outstanding, end of period 3 years 11 months 12 days 4 years 6 months 7 days
Vested and Exercisable 3 years 9 months 17 days 4 years 25 days
Vested and Expected to Vest 3 years 10 months 28 days 4 years 5 months 12 days
Non-Qualified SO
   
Awards Outstanding, beginning balance 36,600 79,000
Granted 12,000 10,000
Exercised   (40,800)
Canceled/Forfeited   (11,600)
Awards Outstanding 48,600 36,600
Vested and Exercisable, end of period 28,200 17,000
Weighted-Average Exercise Price Per Share    
Outstanding $ 3.47 $ 2.29
Granted $ 4.78 $ 4.46
Exercised   $ 1.25
Canceled/Forfeited   $ 4.1
Outstanding $ 3.79 $ 3.47
Vested and Exercisable, end of period $ 3.28 $ 3.35
Weighted-Average Remaining Contractual Life    
Outstanding, beginning of period 8 years 1 month 19 days 5 years 1 month 24 days
Outstanding, end of period 7 years 10 months 6 days 8 years 1 month 20 days
Vested and Exercisable 6 years 8 months 8 days 6 years 11 months 23 days