Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details 4)

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Income Taxes (Details 4) (USD $)
3 Months Ended 9 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Aug. 31, 2012
Aug. 31, 2011
Schedule of reconciliation of the provision for income taxes computed at the statutory rate        
Provision for income taxes at federal statutory rate $ 240,079 $ 237,271 $ 463,186 $ 286,088
Provision for (Benefit from)Income taxes at federal statutory rate 34.00% 34.00% 34.00% 34.00%
Increases in taxes resulting from : State income taxes, net of federal income tax benefit amount 45,191 41,453 87,188 49,981
Increases in taxes resulting from : State income taxes, net of federal income tax benefit 6.40% 5.94% 6.40% 5.94%
Non-deductible expenses and other adjustments (7,901) 19,838 (6,442) 10,235
Non-deductible expenses and other adjustments rate (1.12%) 2.84% (0.47%) 1.22%
Provision for income taxes $ 277,369 $ 298,562 $ 543,932 $ 346,304
Provision for income taxes at effective rate 39.28% 42.78% 39.93% 41.16%