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16. Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Details              
Numerator net income (loss) basic $ (31,657)       $ 2,633 $ (31,657) $ 4,315
Denominator weighted average common shares outstanding basic 22,318       22,343 22,318 18,341
Basic earnings $ (0.71) $ (0.74) $ 0.01 $ 0.03 $ 0.12 $ (1.42) $ 0.24
Numerator net income (loss) diluted $ (31,657)       $ 2,633 $ (31,657) $ 4,315
Denominator weighted average common shares outstanding diluted 22,318       22,343 22,318 18,341
Weighted average common shares and common stock equivalents         22,343 [1] 22,318 [1] 18,341 [1]
Diluted earnings $ (0.71) $ (0.74) $ 0.01 $ 0.03 $ 0.12 $ (1.42) $ 0.24
[1] For the year ended March 31, 2012 the Company recognized a net loss and therefore all outstanding stock options were excluded from the calculation of diluted earnings per share because they were antidilutive.