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XML - IDEA: XBRL DOCUMENT - PROTALEX INCR25.htm
EX-4.1 - EXHIBIT 4.1 - PROTALEX INCv330852_ex4-1.htm
EX-4.2 - EXHIBIT 4.2 - PROTALEX INCv330852_ex4-2.htm
EX-10.2 - EXHIBIT 10.2 - PROTALEX INCv330852_ex10-2.htm
EX-32.2 - EXHIBIT 32.2 - PROTALEX INCv330852_ex32-2.htm
EX-32.1 - EXHIBIT 32.1 - PROTALEX INCv330852_ex32-1.htm
EX-10.1 - EXHIBIT 10.1 - PROTALEX INCv330852_ex10-1.htm
EX-31.1 - EXHIBIT 31.1 - PROTALEX INCv330852_ex31-1.htm
EX-31.2 - EXHIBIT 31.2 - PROTALEX INCv330852_ex31-2.htm
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v2.4.0.6
Fair Value of Assumptions of Options Estimated on Grant Date (Detail) (USD $)
6 Months Ended 158 Months Ended
Nov. 30, 2012
Nov. 30, 2011
Nov. 30, 2012
Assumptions used to Determine Fair Value Options [Line Items]      
Dividends per year $ 0 $ 0 $ 0
Volatility percentage 97.50% 97.50%  
Risk free interest rate 3.47% 3.47%  
Weighted Average Fair Value $ 1.07 $ 1.10 $ 2.41
Minimum
     
Assumptions used to Determine Fair Value Options [Line Items]      
Volatility percentage     90.00%
Risk free interest rate     2.07%
Expected life (years) 7 years 5 years 3 years
Maximum
     
Assumptions used to Determine Fair Value Options [Line Items]      
Volatility percentage     112.00%
Risk free interest rate     5.11%
Expected life (years) 10 years 9 years 10 years