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Stock-Based Compensation (Tables)
3 Months Ended
Jul. 31, 2012
Stock-Based Compensation [Abstract]  
Stock-Based Compensation Expense Allocated

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

July 31,

(in thousands)

 

 

2012

 

 

2011

Cost of sales and distribution

 

$

177

 

$

160

Selling and marketing expenses

 

 

241

 

 

202

General and administrative expenses

 

 

567

 

 

617

Stock-based compensation expense

 

$

985

 

$

979