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Common Stock Repurchase Program
3 Months Ended
Jul. 31, 2016
Text Block [Abstract]  
Common Stock Repurchase Program
16.  Common Stock Repurchase Program
 
On June 15, 2016, we announced that our board of directors approved an authorization for us to acquire up to $5.0 million of our common stock. Under the common stock repurchase program, shares may be purchased from time to time in open market transactions, block trades, through plans established under the Securities Exchange Act Rule 10b5-1, or otherwise. The amount of shares purchased and the timing of such purchases will be based on working capital requirements, market and general business conditions, and other factors including alternative investment opportunities.
 
During the three months ended July 31, 2016, and August 2, 2015, we did not purchase any shares of our common stock.
 
At July 31, 2016, we had $5.0 million available for additional repurchases of our common stock.