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12. Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Details      
Current Federal Tax Expense (Benefit) $ 29 $ (158) $ 324
Provision (benefit) for deferred income taxes   8,536 1,841
Income Tax Expense (Benefit) $ 29 $ 8,378 $ 2,165