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Note 17 - Related Party Transactions (Details) (Chief Executive Officer [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2012
Chief Executive Officer [Member]
Note 17 - Related Party Transactions (Details) [Line Items]
Severance Costs	$ 1.4

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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