Note 3 - Segment Information (Detail) - Summary of total assets on the Company's segments: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Balance	$ 358,449	$ 358,688
Carbon Fibers [Member]
Balance	310,443	301,440
Technical Fibers [Member]
Balance	33,173	31,597
Corporate / Other [Member]
Balance	$ 14,833	$ 25,651