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Income (Loss) Per Common Share (Tables)
6 Months Ended
Sep. 30, 2012
Earnings per common share:  
Reconciliation of the number of shares used in the calculation of basic income (loss) per share and diluted income (loss) per share
   Three Months Ended  Six Months Ended
   September 30  September 30
   2012  2011  2012  2011
Net income (loss)  $763   $79,272   $(62,454)  $183,657 
                     
Shares outstanding:                    
Weighted avg. common shares outstanding – basic   2,035,949    2,029,926    2,035,949    2,029,938 
Effect of the assumed exercise of dilutive stock options   2,291    6,550    —      11,331 
Weighted avg. common shares outstanding – dilutive   2,038,240    2,036,476    2,035,949    2,041,269 
                     
Earnings (loss) per common share:                    
Basic  $0.00   $0.04   $(0.03)  $0.09 
Diluted  $0.00   $0.04   $(0.03)  $0.09