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Consolidated Statements Of Shareholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, shares at Aug. 31, 2018 | 27,056,000 |  |  |  |  | 13,159,000 |
Beginning balance at Aug. 31, 2018 | $ 1,353 | $ 211,280 |  | $ 63,569 | $ 341 | $ (196,043) |
Issuance of common stock from treasury, shares |  |  |  |  |  | 43,000 |
Issuance of common stock from treasury |  | 321 |  |  |  | $ 654 |
Purchase of treasury shares, shares |  |  |  |  |  | (1,000) |
Purchase of treasury shares |  |  |  |  |  | $ (12) |
Restricted share award, shares |  |  |  |  |  | 28,000 |
Restricted share award |  | (426) |  |  |  | $ 426 |
Stock-based compensation |  | 4,789 |  |  |  |  |
Cumulative translation adjustments |  |  |  |  | (72) |  | $ (72)
Net income (loss) |  |  |  | (1,023) |  |  | $ (1,023)
Ending balance, shares at Aug. 31, 2019 | 27,056,000 |  |  |  |  | 13,087,000 |
Ending balance at Aug. 31, 2019 | $ 1,353 | 215,964 | $ 3,143 | 59,403 | 269 | $ (194,975) |
Issuance of common stock from treasury, shares |  |  |  |  |  | 291,000 |
Issuance of common stock from treasury |  | (3,138) |  |  |  | $ 4,184 |
Purchase of treasury shares, shares |  |  |  |  |  | (400,000) | (5,000)
Purchase of treasury shares |  |  |  |  |  | $ (13,971) |
Restricted share award, shares |  |  |  |  |  | 21,000 |
Restricted share award |  | (333) |  |  |  | $ 333 |
Stock-based compensation |  | (573) |  |  |  |  |
Cumulative translation adjustments |  |  |  |  | 372 |  | $ 372
Net income (loss) |  |  |  | (9,435) |  |  | (9,435)
Ending balance, shares at Aug. 31, 2020 | 27,056,000 |  |  |  |  | (13,175,000) |
Ending balance at Aug. 31, 2020 | $ 1,353 | 211,920 |  | 49,968 | 641 | $ (204,429) | $ 59,453
Issuance of common stock from treasury, shares |  |  |  |  |  | 405,000 | 432,564
Issuance of common stock from treasury |  | (5,213) |  |  |  | $ 6,286 |
Purchase of treasury shares, shares |  |  |  |  |  | (147,000) |
Purchase of treasury shares |  |  |  |  |  | $ (2,971) |
Restricted share award, shares |  |  |  |  |  | 28,000 |
Restricted share award |  | (436) |  |  |  | $ 436 |
Stock-based compensation |  | 8,617 |  |  |  |  |
Cumulative translation adjustments |  |  |  |  | 68 |  | $ 68
Net income (loss) |  |  |  | 13,623 |  |  | 13,623
Ending balance, shares at Aug. 31, 2021 | 27,056,000 |  |  |  |  | (12,889,000) |
Ending balance at Aug. 31, 2021 | $ 1,353 | $ 214,888 |  | $ 63,591 | $ 709 | $ (200,678) | $ 79,863

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