Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Stockholders' Equity Note, Warrants or Rights (Details)

v3.3.1.900
Stockholders' Equity - Schedule of Stockholders' Equity Note, Warrants or Rights (Details)
 9 Months Ended
Jan. 31, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of Warrants  
Warrants outstanding, beginning of period | shares 3,308,275
Warrants, issued | shares 50,000
Warrants, exchanged | shares (2,645,400)
Warrants outstanding, end of period | shares 712,875
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Weighted Average Grant Date Fair Value  
Warrants, weighted average exercise price outstanding, beginning of period | $ / shares $ 3.52
Warrants, weighted average exercise price, issued | $ / shares 2.50
Warrants, weighted average exercise price, exchanged | $ / shares 2.70
Warrants, weighted average exercise price outstanding, end of period | $ / shares $ 6.06
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures  
Warrants, aggregate intrinsic value, outstanding, beginning of period | $ [1]
Warrants, aggregate intrinsic value, issued | $ [1]
Warrants, aggregate intrinsic value, outstanding, end of period | $ [1]
[1] This amount represents the difference between the conversion price and $0.76, the closing price of Dataram common stock on January 31, 2016 as reported on the NASDAQ Stock Market, for all in-the-money warrants outstanding.