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Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Net Income (Loss) $ 1,031 $ (16,595) $ 1,038 $ (15,700)