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Note 15 - Commitments and Contingencies Purchase Committment, Excluding Long Term Committment (Details) (Purchase Commitment [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2015
Purchase Commitment [Member]
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	$ 7.3

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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