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MANUFACTURING SEGMENT DATA (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
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Sales Revenue, Net | $ 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
Concentration Risk, Percentage |  |  |  |  |  |  |  |  | 100.00% | 100.00%
Domestic [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Sales Revenue, Net |  |  |  |  |  |  |  |  | 46,730,000 | 40,760,000
Concentration Risk, Percentage |  |  |  |  |  |  |  |  | 51.14% | 42.85%
International [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Sales Revenue, Net |  |  |  |  |  |  |  |  | $ 44,650,000 | $ 54,360,000
Concentration Risk, Percentage |  |  |  |  |  |  |  |  | 48.86% | 57.15%

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