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Note 15 - Separation Accrual (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2013
Disclosure Text Block Supplement [Abstract]
Severance Costs	$ 448
Supplemental Unemployment Benefits, Severance Benefits	$ 247

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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