Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Jun. 30, 2011	Sep. 30, 2010
Current assets:
Cash and cash equivalents	$ 8,654,064	$ 4,545,907
Marketable securities	25,109,521	30,967,007
Accounts receivable, net	9,825,371	7,858,540
Inventories, net	11,677,284	9,240,291
Prepaid expenses and other current assets	2,144,508	846,899
Deferred income tax asset	837,073	872,849
Total current assets	58,247,821	54,331,493
Property, plant and equipment:
Land and buildings	11,819,739	7,997,423
Equipment and fixtures	19,675,557	18,543,813
Property, plant and equipment, gross	31,495,296	26,541,236
Less accumulated depreciation	(19,237,499)	(16,523,997)
Total property, plant and equipment	12,257,797	10,017,239
Deferred income tax asset	1,300,739	1,175,052
Goodwill	10,428,630	4,561,781
Finite life intangibles, net	11,057,185	5,580,726
Total assets	93,292,172	75,666,291
Current liabilities:
Accounts payable	3,215,743	2,016,058
Accrued compensation	1,271,544	1,458,652
Accrued expenses	1,078,367	610,570
Current maturities of long-term debt	17,862,185	2,641,233
Total current liabilities	23,427,839	6,726,513
Long-term liabilities:
Other long-term liabilities	1,670,516	46,327
Total long-term liabilities	1,670,516	46,327
Shareholders' equity:
Common stock, no par value: Authorized shares - 40,000,000 Issued and outstanding shares (12,250,651 at - June 30, 2011; 12,072,452 at - September 30, 2010)	57,739,277	57,200,531
Retained earnings	12,856,234	14,578,678
Accumulated other comprehensive loss	(2,401,694)	(2,885,758)
Total shareholders' equity	68,193,817	68,893,451
Total liabilities and shareholders' equity	$ 93,292,172	$ 75,666,291