Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Significant Accounting Policies - Summary of Option Activity (Details)

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Description of Business and Significant Accounting Policies - Summary of Option Activity (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2008
Jul. 31, 2015
Apr. 30, 2015
Summary of option activity, Shares      
Balance end of period   273,414 125,746
Granted 8,333 166,667  
Exercised      
Expired   18,999  
Exercisable July 31, 2015   273,414  
Expected to vest July 31, 2015   273,414  
Summary of option activity, Weighted average exercise price      
Balance end of period   $ 1.53 $ 8.48
Granted   $ 1.69  
Exercised      
Expired   $ 14.64  
Exercisable July 31, 2015   1.53  
Expected to vest July 31, 2015   $ 1.53  
Summary of option activity, Additional disclosures      
Balance, Weighted average remaining contractual life   3 years 10 months 28 days 3 years 7 months 2 days
Granted   4 years 10 months 6 days  
Exercisable July 31, 2015, Weighted average remaining contractual life   3 years 10 months 28 days  
Expected to vest July 31, 2015, Weighted average remaining contractual life   3 years 10 months 28 days  
Balance at end of period: Aggregate intrinsic value   $ 36,667 [1]  
Granted, Aggregate intrinsic value [1]   $ 36,667  
Exercised, Aggregate intrinsic value      
Expired, Aggregate intrinsic value      
Exercisable July 31, 2015, Aggregate intrinsic value [1]   $ 36,667  
Expected to vest July 31, 2015, Aggregate intrinsic value [1]   $ 36,667  
Closing price of Dataram stock   $ 1.91  
[1] This amount represents the difference between the exercise price and $1.91, the closing price of Dataram common stock on July 31, 2015 as reported on the NASDAQ Stock Market, for all in-the-money options outstanding and all the in-the-money shares exercisable.