CONDENSED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Sales	$ 9,291	$ 7,754	$ 18,178	$ 15,209
Cost of Goods Sold	3,517	3,202	7,016	6,276
Selling, General & Administrative	2,182	1,887	4,469	3,831
Research and Development	306	342	714	565
Other Expenses and (Income)	50	34	99	46
Total Cost, Expenses and Nonoperating (Income) Expense	6,055	5,465	12,298	10,718
Earnings Before Income Taxes	3,236	2,289	5,880	4,491
Income Taxes	1,183	860	2,147	1,742
Net Income	$ 2,053	$ 1,429	$ 3,733	$ 2,749
Net Income Per Share (Basic) (in dollars per share)	$ 0.63	$ 0.44	$ 1.14	$ 0.85
Net Income Per Share (Diluted) (in dollars per share)	$ 0.59	$ 0.43	$ 1.09	$ 0.83
Average Common Shares Outstanding (Basic) (in shares)	3,282	3,231	3,278	3,222
Average Common Shares Outstanding (Diluted) (in shares)	3,453	3,315	3,433	3,311

This element represents total costs of sales and operating expenses for the period. Also includes the aggregate amount of income (expense) from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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