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Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, except Share data | Common Stock [Member] | Additional Paid-in Capital [Member] | Common Stock Warrants [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Aug. 31, 2009 | $ 1,353 | $ 183,436 | $ 7,597 | $ 13,980 | $ 1,961 | $ (139,323) |
Beginning balance, shares at Aug. 31, 2009 | 27,056,000 |  |  |  |  | (10,080,000) |
Issuance of common stock from treasury, shares |  |  |  |  |  | 56,000 |
Issuance of common stock from treasury |  | (495) |  |  |  | 783 |
Purchase of treasury shares, shares |  |  |  |  |  | (5,000) |
Purchase of treasury shares |  |  |  |  |  | (29) |
Unvested share award, shares |  |  |  |  |  | 61,000 |
Unvested share award |  | (850) |  |  |  | 850 |
Share-based compensation |  | 1,099 |  |  |  |  |
Management stock loan payments, shares |  |  |  |  |  | (84,000) |
Management stock loan payments |  | 664 |  |  |  | (505) |
Non-qualified deferred compensation plan activity, shares |  |  |  |  |  | 11,000 |
Non-qualified deferred compensation plan activity |  | (60) |  |  |  | 39 |
Cumulative translation adjustments |  |  |  |  | 1,053 |  | 1,053
Net income (loss) |  |  |  | (518) |  |  | (518)
Ending balance at Aug. 31, 2010 | 1,353 | 183,794 | 7,597 | 13,462 | 3,014 | (138,185) |
Ending balance, shares at Aug. 31, 2010 | 27,056,000 |  |  |  |  | (10,041,000) |
Issuance of common stock from treasury, shares |  |  |  |  |  | 117,000 |
Issuance of common stock from treasury |  | (1,276) |  |  |  | 1,604 |
Purchase of treasury shares, shares |  |  |  |  |  | (21,000) |
Purchase of treasury shares |  |  |  |  |  | (218) |
Unvested share award, shares |  |  |  |  |  | 37,000 |
Unvested share award |  | (526) |  |  |  | 526 |
Share-based compensation |  | 2,788 |  |  |  |  |
Exercise of common stock warrants and other warrant activity, shares |  |  |  |  |  | 596,000 |
Exercise of common stock warrants and other warrant activity |  | (5,894) | (2,337) |  |  | 8,229 |
Management stock loan payments, shares |  |  |  |  |  | (76,000) |
Management stock loan payments |  | 637 |  |  |  | (637) |
Non-qualified deferred compensation plan activity, shares |  |  |  |  |  | 2,000 |
Non-qualified deferred compensation plan activity |  | (8) |  |  |  | 8 |
Cumulative translation adjustments |  |  |  |  | 578 |  | 578
Net income (loss) |  |  |  | 4,807 |  |  | 4,807
Ending balance at Aug. 31, 2011 | 1,353 | 179,515 | 5,260 | 18,269 | 3,592 | (128,673) | 79,316
Ending balance, shares at Aug. 31, 2011 | 27,056,000 |  |  |  |  | (9,386,000) |
Issuance of common stock from treasury, shares |  |  |  |  |  | 60,000 |
Issuance of common stock from treasury |  | (358) |  |  |  | 800 |
Purchase of treasury shares, shares |  |  |  |  |  | (44,000) | (41,085)
Purchase of treasury shares |  |  |  |  |  | (440) | (400)
Unvested share award, shares |  |  |  |  |  | 37,000 |
Unvested share award |  | (514) |  |  |  | 514 |
Share-based compensation |  | 3,835 |  |  |  |  |
Management stock loan payments, shares |  |  |  |  |  | (32,000) |
Management stock loan payments |  | 313 |  |  |  | (313) |
Repurchases of share-based award |  | (249) |  |  |  |  |
Cumulative translation adjustments |  |  |  |  | (182) |  | (182)
Other |  | (8) |  |  |  |  |
Net income (loss) |  |  |  | 7,841 |  |  | 7,841
Ending balance at Aug. 31, 2012 | $ 1,353 | $ 182,534 | $ 5,260 | $ 26,110 | $ 3,410 | $ (128,112) | $ 90,555
Ending balance, shares at Aug. 31, 2012 | 27,056,000 |  |  |  |  | (9,365,000) |

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