Note 7 - Commitments and Contingencies (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended	21 Months Ended	3 Months Ended	9 Months Ended	21 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Vestas Wind Systems [Member]	Jun. 30, 2011 Vestas Wind Systems [Member]	Jun. 30, 2012 Vestas Wind Systems [Member]	Jun. 30, 2012 Vestas Wind Systems [Member]	Jun. 30, 2011 Saertex GMBH [Member]	Jun. 30, 2011 Saertex GMBH [Member]	Jun. 30, 2012 Cuming Corporation [Member]
Revenue, Net	$ 48,078	$ 38,593	$ 142,138	$ 108,554	$ 24,100	$ 10,200	$ 64,100	$ 27,400	$ 4,900	$ 14,500	$ 12,800
Concentration Risk, Customer			10%