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Segment Information And Business And Credit Concentrations (Details) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2012 | Jul. 31, 2011 | Jul. 31, 2012 | Jul. 31, 2011 | Oct. 31, 2011
Segment Reporting Information [Line Items] |  |  |  |  |
Percent of consolidated net sales per customer | 17.60% |  | 12.20% |  |
Percentage of revenues from domestic customers |  |  | 73.00% | 76.00% |
Percentage of revenues from international customers |  |  | 27.00% | 24.00% |
Total revenues | $ 22,003,689 | $ 18,775,145 | $ 61,388,901 | $ 53,672,389 |
Operating income (losses) | 1,877,186 | 420,528 | 3,733,628 | 910,517 |
Total assets | 49,007,878 |  | 49,007,878 |  | 44,945,214
Maximum [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percent of consolidated net sales per customer |  | 10.00% |  | 10.00% |
Centric Solutions LLC [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total revenues | 758,843 | 355,499 | 1,622,622 | 606,870 |
Operating income (losses) | 20,677 | (183,862) | (319,875) | (642,971) |
Total assets | $ 570,000 |  | $ 570,000 |  |

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