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UNAUDITED QUARTERLY RESULTS OF OPERATIONS (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
Net sales from continuing operations | $ 23,399,000 | $ 24,239,000 | $ 23,499,000 | $ 23,981,000 | $ 20,165,000 | $ 24,744,000 | $ 25,833,000 | $ 25,585,000 | $ 95,117,539 | $ 96,326,989
Gross profit from continuing operations | 5,598,000 | 7,287,000 | 7,131,000 | 7,311,000 | 5,313,000 | 7,413,000 | 7,798,000 | 8,262,000 | 27,327,433 | 28,785,798
(Loss) earnings 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
(Loss) earnings from discontinued operations | (522,000) | 0 | 0 | 0 | (540,000) | (722,000) | (51,000) | (157,000) | (521,707) | (1,469,999)
Net income (loss) | $ (18,094,000) | $ 283,000 | $ 1,644,000 | $ (10,121,000) | $ (1,548,000) | $ (576,000) | $ 584,000 | $ 1,163,000 | $ (26,288,669) | $ (376,825)
Basic net earnings (loss) per share: |  |  |  |  |  |  |  |  |  |
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
Discontinued operations (in dollars per share) | $ (0.10) | $ 0 | $ 0 | $ 0 | $ (0.1) | $ (0.14) | $ (0.01) | $ (0.03) | $ (0.1) | $ (0.28)
Total (in dollars per share) | $ (3.40) | $ 0.05 | $ 0.31 | $ (1.94) | $ (0.3) | $ (0.11) | $ 0.11 | $ 0.22 | $ (4.97) | $ (0.07)
Diluted net earnings (loss) per share: |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ (2.30) | $ 0.05 | $ 0.3 | $ (1.94) | $ (0.19) | $ 0.03 | $ 0.12 | $ 0.25 | $ (4.87) | $ 0.2
Discontinued operations (in dollars per share) | $ (0.10) | $ 0 | $ 0 | $ 0 | $ (0.1) | $ (0.13) | $ (0.01) | $ (0.03) | $ (0.1) | $ (0.27)
Total (in dollars per share) | $ (3.40) | $ 0.05 | $ 0.3 | $ (1.94) | $ (0.29) | $ (0.11) | $ 0.11 | $ 0.22 | $ (4.97) | $ (0.07)

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