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Subsequent Events	6 Months Ended
Subsequent Events	Oct. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	13. Subsequent Events On December 3, 2013, we announced the completion of our organizational alignment in which the Archive and eDiscovery businesses were combined. We expect to incur a charge of approximately $1.2 million to $1.4 million related to this alignment in the second half of fiscal year 2014. As a result of this alignment, our operating segments will change in the third quarter to reflect how the chief operating decision maker evaluates the business. On November 8, 2013, we filed a current report on Form 8-K related to a letter received from The Nasdaq Stock Market LLC (“NASDAQ”) indicating that, for the thirty consecutive business days ending November 6, 2013, the closing bid price for our common stock was below the minimum $1.00 per share requirement for continued listing on the Nasdaq Capital Market under Nasdaq Marketplace Rule 5550(a)(2). The notification has no immediate effect on the listing or trading of our common stock on the Nasdaq Capital Market.