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CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
Jan. 31, 2014
Jan. 31, 2013
Allowance for doubtful accounts (in dollars) $ 588,800 $ 342,000
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 1,500,000 1,500,000
Preferred stock, shares issued 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 5,713,180 5,688,600
Common stock, shares outstanding 5,356,739 5,332,159
Treasury stock, shares 356,441 356,441