Note 9 - Commitments and Contingencies (Detail) (Airbus A320 Aircraft [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Airbus A320 Aircraft [Member]
Purchase Commitment, Remaining Minimum Amount Committed	$ 83,145

- Definition

The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from one or more suppliers, other than under a long-term purchase commitment or an unconditional purchase obligation.

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