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UNAUDITED QUARTERLY RESULTS OF OPERATIONS (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2012 | Jan. 31, 2014 | Jan. 31, 2013
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |
Net sales from continuing operations | $ 22,222,000 | $ 22,787,000 | $ 24,639,000 | $ 21,737,000 | $ 23,399,000 | $ 24,239,000 | $ 23,499,000 | $ 23,981,000 | $ 91,384,695 | $ 95,117,539
Gross profit from continuing operations | 6,249,000 | 5,042,000 | 7,462,000 | 6,080,000 | 5,598,000 | 7,287,000 | 7,131,000 | 7,311,000 | 24,833,341 | 27,327,433
(Loss) earnings from continuing operations | (1,611,000) | (1,835,000) | 4,171,000 | (844,000) | (17,572,000) | 283,000 | 1,644,000 | (10,121,000) | (119,501) | (25,766,962)
(Loss) earnings from discontinued operations | 0 | 0 | 0 | 0 | (522,000) | 0 | 0 | 0 | 0 | (521,707)
Net income (loss) | $ (1,611,000) | $ (1,835,000) | $ 4,171,000 | $ (844,000) | $ (18,094,000) | $ 283,000 | $ 1,644,000 | $ (10,121,000) | $ (119,501) | $ (26,288,669)
Basic net earnings (loss) per share: |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ (0.27) | $ (0.31) | $ 0.75 | $ (0.16) | $ (3.30) | $ 0.05 | $ 0.31 | $ (1.94) | $ (0.02) | $ (4.87)
Discontinued operations (in dollars per share) | $ 0 | $ 0 | $ 0 | $ 0 | $ (0.10) | $ 0 | $ 0 | $ 0 | $ 0 | $ (0.10)
Total (in dollars per share) | $ (0.27) | $ (0.31) | $ 0.75 | $ (0.16) | $ (3.40) | $ 0.05 | $ 0.31 | $ (1.94) | $ (0.02) | $ (4.97)
Diluted net earnings (loss) per share: |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ (0.27) | $ (0.31) | $ 0.74 | $ (0.16) | $ (3.30) | $ 0.05 | $ 0.30 | $ (1.94) | $ (0.02) | $ (4.87)
Discontinued operations (in dollars per share) | $ 0 | $ 0 | $ 0 | $ 0 | $ (0.10) | $ 0 | $ 0 | $ 0 | $ 0 | $ (0.10)
Total (in dollars per share) | $ (0.27) | $ (0.31) | $ 0.74 | $ (0.16) | $ (3.40) | $ 0.05 | $ 0.30 | $ (1.94) | $ (0.02) | $ (4.97)

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