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Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Details      
Provision (Benefit) for income taxes $ 19 $ 29 $ (158)
Deferred Income Tax Expense (Benefit) (15,100)   8,536
Provision (Benefit) for income taxes $ (15,081) $ 29 $ 8,378