Note 3 - Inventories (Details) (Fair Value Adjustment to Inventory [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014
Fair Value Adjustment to Inventory [Member]
Note 3 - Inventories (Details) [Line Items]
Assets, Fair Value Adjustment	$ 11,956	$ 23,992	$ 35,868

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

No definition available.

Name:	us-gaap_AssetsFairValueAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration