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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%