Note 7 - Financing Transactions (Detail)	12 Months Ended											12 Months Ended
	Sep. 30, 2012 USD ($)	Sep. 30, 2012 EUR (€)	Sep. 30, 2012 HUF	Sep. 30, 2011 USD ($)	Sep. 30, 2011 HUF	Sep. 30, 2010 HUF	Mar. 30, 2012 Swap Agreement [Member]	Sep. 30, 2012 Below [Member]	Mar. 30, 2012 Enterprise Loan [Member] USD ($)	Sep. 30, 2012 Multicurrency [Member] USD ($)	Sep. 30, 2012 Multicurrency [Member] HUF	Sep. 30, 2012 Term Facility [Member]	Sep. 30, 2012 Hungarian Operations [Member] HUF	Sep. 30, 2012 Revolving Facility [Member] USD ($)	Sep. 30, 2012 Revolving Facility [Member] HUF	Apr. 27, 2012 Revolving Facility [Member] USD ($)	Sep. 30, 2012 New Facility [Member] USD ($)
Foreign Grant Pledge	$ 13,100,000		2,900,000,000
Foreign Grants Received	11,700,000		2,600,000,000		100,000,000	0.1
Bank Guarantee Percentage	120.00%	120.00%	120.00%
Staff Level	1,200	1,200	1,200					900
Number Of Regional Suppliers To Purchases	45.00%	45.00%	45.00%
Default Period	30 days	30 days	30 days
Measurement Period	5 years	5 years	5 years
Line Of Credit Facility Borrowing Base	17,500,000	13,600,000
Line of Credit Facility, Maximum Borrowing Capacity				5,100,000	1,120,000,000					5,100,000	1,120,000,000		1,120,000,000	5,100,000		15,000,000	17,500,000
Line of Credit Facility Term	7 years	7 years	7 years									5 years
Debt Instrument, Interest Rate, Stated Percentage												4.17%
Bank Guarantee														15,700,000	3,480,000,000
Debt Instrument, Face Amount									10,000,000
Debt Maturity									7 years
Debt Instrument, Basis Spread on Variable Rate									3.00%							2.50%
Derivative, Basis Spread on Variable Rate							4.75%
Long-term Debt, Gross	$ 9,700,000