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
Jun. 30, 2008
Jul. 31, 2014
Summary of option activity, Shares    
Balance April 30, 2014   264,244
Granted 8,333 0
Exercised   0
Expired   0
Balance July 31, 2014   264,244
Exercisable July 31, 2014   251,744
Expected to vest July 31, 2014   251,744
Summary of option activity, Weighted average exercise price    
Balance April 30, 2014   $ 12.42
Granted   $ 0
Exercised   $ 0
Expired   $ 0
Balance July 31, 2014   $ 12.42
Exercisable July 31, 2014   $ 12.92
Expected to vest July 31, 2014   $ 12.42
Summary of option activity, Additional disclosures    
Balance, Weighted average remaining contractual life   4 years 2 months 16 days [1]
Exercisable July 31, 2014, Weighted average remaining contractual life   3 years 11 months 23 days [1]
Expected to vest July 31, 2014, Weighted average remaining contractual life   3 years 11 months 23 days [1]
Balance April 30, 2014, Aggregate intrinsic value   $ 14,750 [2]
Granted, Aggregate intrinsic value   $ 0
Exercised, Aggregate intrinsic value   0
Expired, Aggregate intrinsic value   0
Balance July 31, 2014, Aggregate intrinsic value   14,750 [2]
Exercisable July 31, 2014, Aggregate intrinsic value   7,375 [2]
Expected to vest July 31, 2014, Aggregate intrinsic value   $ 7,375 [2]
[1] This amount represents the weighted average remaining contractual life of stock options in years.
[2] This amount represents the difference between the exercise price and $3.03, the closing price of Dataram common stock on July 31, 2014 as reported on the NASDAQ Stock Market, for all in-the-money options outstanding and all the in-the-money shares exercisable.