XML 23 R4.htm IDEA: XBRL DOCUMENT v2.4.0.6
CONDENSED STATEMENTS OF INCOME (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Revenues $ 9,259 $ 7,652 $ 27,438 $ 22,861
Cost of revenues 3,374 3,212 10,391 9,488
Gross profit 5,885 4,440 17,047 13,373
Operating expenses        
Selling 949 900 2,926 2,632
General and administrative 1,432 1,145 3,924 3,245
Research and development 342 393 1,056 958
Total operating expenses 2,723 2,438 7,906 6,835
Operating income 3,162 2,002 9,141 6,538
Other expense 31 33 130 79
Earnings before income taxes 3,131 1,969 9,011 6,459
Income taxes 1,144 711 3,291 2,453
Net income $ 1,987 $ 1,258 $ 5,720 $ 4,006
Net income per share:        
Basic (in dollars per share) $ 0.60 $ 0.39 $ 1.74 $ 1.24
Diluted (in dollars per share) $ 0.57 $ 0.37 $ 1.66 $ 1.21
Average common shares outstanding:        
Basic (in shares) 3,286,000 3,234,000 3,280,000 3,226,000
Diluted (in shares) 3,498,000 3,355,000 3,454,000 3,316,000