BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended								12 Months Ended
	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2013	Jan. 31, 2012
Numerator
Income (loss) from continuing operations	$ (17,572,000)	$ 283,000	$ 1,644,000	$ (10,121,000)	$ (1,008,000)	$ 146,000	$ 635,000	$ 1,320,000	$ (25,766,962)	$ 1,093,174
Denominator
Denominator for basic earnings per share (weighted-average shares which reflect 356,441 and 355,405 shares in the treasury as a result of the stock repurchase program for the years ended January 31, 2013 and 2012, respectively)									5,290,332	5,224,552
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options									0	131,562
Denominator for diluted earnings (loss) per share (adjusted weighted average shares)									5,290,332	5,356,114
Basic earnings (loss) per share from continuing operations (in dollars per share)	$ (3.30)	$ 0.05	$ 0.31	$ (1.94)	$ (0.19)	$ 0.03	$ 0.12	$ 0.25	$ (4.87)	$ 0.21
Diluted earnings (loss) per share from continuing operations (in dollars per share)	$ (2.30)	$ 0.05	$ 0.30	$ (1.94)	$ (0.19)	$ 0.03	$ 0.12	$ 0.25	$ (4.87)	$ 0.20