XML 34 R2.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Consolidated Statements Of Income (USD $)
In Thousands, except Per Share data
 3 Months Ended
Aug. 31, 2011
Aug. 31, 2010
Consolidated Statements Of Income    
Net sales $ 54,431 $ 51,507
Cost of sales 22,285 21,487
Gross profit 32,146 30,020
Operating expenses    
Research and development 5,591 5,242
Sales and marketing 16,308 14,444
General and administrative 4,312 4,586
Amortization of intangibles 2,295 2,267
Restructuring and other costs, net 923  
Total operating expenses 29,429 26,539
Operating income 2,717 3,481
Other income (expenses)    
Interest income 235 167
Interest expense (116) (124)
Other expense (733) (571)
Total other income (expenses) (614) (528)
Income before income tax provision 2,103 2,953
Income tax provision 730 1,065
Net income $ 1,373 $ 1,888
Earnings per common share    
Basic $ 0.05 $ 0.08
Diluted $ 0.05 $ 0.08
Basic weighted average shares outstanding 25,024 24,755
Diluted weighted average shares outstanding 25,197 25,032