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Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012
Condensed Consolidated Statements of Income |  |  |  |
Revenues | $ 13,116 | $ 11,361 | $ 37,010 | $ 33,627
Cost of revenues | 5,410 | 4,414 | 14,907 | 12,976
Gross profit | 7,706 | 6,947 | 22,103 | 20,651
Operating expenses |  |  |  |
Selling | 1,595 | 1,223 | 4,097 | 3,297
General and administrative | 2,781 | 2,759 | 8,003 | 6,782
Research and development | 524 | 501 | 1,639 | 1,399
Total operating expenses | 4,900 | 4,483 | 13,739 | 11,478
Operating income | 2,806 | 2,464 | 8,364 | 9,173
Other (expense) income, net | (79) | (38) | 316 | (109)
Earnings before income taxes | 2,727 | 2,426 | 8,680 | 9,064
Income taxes | 981 | 883 | 3,142 | 3,173
Net income | $ 1,746 | $ 1,543 | $ 5,538 | $ 5,891
Net income per share: |  |  |  |
Basic (in dollars per share) | $ 0.51 | $ 0.46 | $ 1.62 | $ 1.76
Diluted (in dollars per share) | $ 0.48 | $ 0.44 | $ 1.54 | $ 1.67
Weighted average common shares outstanding: |  |  |  |
Basic (in shares) | 3,434 | 3,360 | 3,414 | 3,349
Diluted (in shares) | 3,637 | 3,542 | 3,591 | 3,527

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