CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2013	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 19,333,989	$ 13,921,363
Marketable securities	6,899,861	6,779,695
Accounts receivable, less allowance for doubtful accounts of $75,668 at June 30, 2013 and $86,268 at September 30, 2012	10,332,970	11,008,429
Inventories	9,335,158	9,883,651
Prepaid expenses and other current assets	1,984,707	1,726,908
Deferred income tax asset	587,790	1,287,177
Total current assets	48,474,475	44,607,223
Property, plant and equipment:
Land and buildings	12,166,408	10,651,127
Equipment and fixtures	21,854,434	20,550,952
Property, plant and equipment	34,020,842	31,202,079
Less accumulated depreciation	(20,648,184)	(19,340,007)
Total property, plant and equipment	13,372,658	11,862,072
Deferred income tax asset	1,489,812	1,030,994
Goodwill	8,856,518	9,053,091
Other intangibles, net	8,628,243	9,377,354
Total assets	80,821,706	75,930,734
Current liabilities:
Accounts payable	3,292,389	3,070,329
Accrued compensation	1,684,899	1,970,468
Accrued expenses	1,837,161	1,456,929
Total current liabilities	6,814,449	6,497,726
Long-Term Liabilities	1,157,448	1,137,212
Shareholders' equity:
Common stock, no par value: Authorized shares - 40,000,000 Issued and outstanding shares (12,357,143 at June 30, 2013; 12,120,050 at September 30, 2012)	58,989,199	56,904,308
Retained earnings	18,654,798	15,313,858
Accumulated other comprehensive loss	(4,794,188)	(3,922,370)
Total shareholders' equity	72,849,809	68,295,796
Total liabilities and shareholders' equity	$ 80,821,706	$ 75,930,734