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Consolidated Balance Sheets (Parenthetical) (USD $) | Jul. 31, 2014 | Jul. 31, 2013
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Statement of Financial Position [Abstract] |  |
Preferred stock, par value | $ 0.01 | $ 0.01
Preferred stock, shares authorized | 3,000,000 | 3,000,000
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 25,000,000 | 25,000,000
Common stock, shares issued | 14,852,640 | 14,730,319
Common stock, shares outstanding | 14,852,640 | 14,730,319

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