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Condensed Consolidated Statements Of Changes In Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning balance, shares at Aug. 31, 2018 | 27,056 |  |  |  |  |
Beginning balance at Aug. 31, 2018 | $ 1,353 | $ 211,280 | $ 63,569 | $ 341 |  |
Beginning balance, shares, Treasury at Aug. 31, 2018 |  |  |  |  | (13,159) |
Beginning balance, Treasury at Aug. 31, 2018 |  |  |  |  | $ (196,043) |
Issuance of common stock from treasury, shares |  |  |  |  | 11 |
Issuance of common stock from treasury |  | 64 |  |  | $ 166 |
Purchase of treasury shares |  |  |  |  | $ (7) |
Stock-based compensation |  | 946 |  |  |  |
Cumulative translation adjustments |  |  |  | (309) |  |
Net income (loss) |  |  | (1,357) |  |  |
Ending balance, shares at Nov. 30, 2018 | 27,056 |  |  |  |  |
Ending balance at Nov. 30, 2018 | $ 1,353 | 212,290 | 59,069 | 32 |  |
Ending balance, shares, Treasury at Nov. 30, 2018 |  |  |  |  | (13,148) |
Ending balance, Treasury at Nov. 30, 2018 |  |  |  |  | $ (195,884) |
Beginning balance, shares at Aug. 31, 2018 | 27,056 |  |  |  |  |
Beginning balance at Aug. 31, 2018 | $ 1,353 | 211,280 | 63,569 | 341 |  |
Beginning balance, shares, Treasury at Aug. 31, 2018 |  |  |  |  | (13,159) |
Beginning balance, Treasury at Aug. 31, 2018 |  |  |  |  | $ (196,043) |
Cumulative translation adjustments |  |  |  |  |  | $ 129
Net income (loss) |  |  |  |  |  | (4,874)
Ending balance, shares at Feb. 28, 2019 | 27,056 |  |  |  |  |
Ending balance at Feb. 28, 2019 | $ 1,353 | 212,960 | 55,552 | 470 |  |
Ending balance, shares, Treasury at Feb. 28, 2019 |  |  |  |  | (13,109) |
Ending balance, Treasury at Feb. 28, 2019 |  |  |  |  | $ (195,301) |
Cumulative effect of accounting change |  |  | (3,143) |  |  |
Beginning balance, shares at Nov. 30, 2018 | 27,056 |  |  |  |  |
Beginning balance at Nov. 30, 2018 | $ 1,353 | 212,290 | 59,069 | 32 |  |
Beginning balance, shares, Treasury at Nov. 30, 2018 |  |  |  |  | (13,148) |
Beginning balance, Treasury at Nov. 30, 2018 |  |  |  |  | $ (195,884) |
Issuance of common stock from treasury, shares |  |  |  |  | 11 |
Issuance of common stock from treasury |  | 53 |  |  | $ 162 |
Purchase of treasury shares |  |  |  |  | $ (5) |
Stock-based compensation |  | 1,043 |  |  |  |
Restricted stock award, shares |  |  |  |  | 28 |
Restricted stock award |  | (426) |  |  | $ 426 |
Cumulative translation adjustments |  |  |  | 438 |  | 438
Net income (loss) |  |  | (3,517) |  |  | (3,517)
Ending balance, shares at Feb. 28, 2019 | 27,056 |  |  |  |  |
Ending balance at Feb. 28, 2019 | $ 1,353 | 212,960 | 55,552 | 470 |  |
Ending balance, shares, Treasury at Feb. 28, 2019 |  |  |  |  | (13,109) |
Ending balance, Treasury at Feb. 28, 2019 |  |  |  |  | $ (195,301) |
Beginning balance, shares at Aug. 31, 2019 | 27,056 |  |  |  |  |
Beginning balance at Aug. 31, 2019 | $ 1,353 | 215,964 | 59,403 | 269 |  | 82,014
Beginning balance, shares, Treasury at Aug. 31, 2019 |  |  |  |  | (13,087) |
Beginning balance, Treasury at Aug. 31, 2019 |  |  |  |  | $ (194,975) |
Issuance of common stock from treasury, shares |  |  |  |  | 9 |
Issuance of common stock from treasury |  | 131 |  |  | $ 123 |
Purchase of treasury shares |  |  |  |  | $ (3) |
Stock-based compensation |  | 1,851 |  |  |  |
Cumulative translation adjustments |  |  |  | (37) |  |
Net income (loss) |  |  | (544) |  |  |
Ending balance, shares at Nov. 30, 2019 | 27,056 |  |  |  |  |
Ending balance at Nov. 30, 2019 | $ 1,353 | 217,946 | 58,859 | 232 |  |
Ending balance, shares, Treasury at Nov. 30, 2019 |  |  |  |  | (13,078) |
Ending balance, Treasury at Nov. 30, 2019 |  |  |  |  | $ (194,855) |
Beginning balance, shares at Aug. 31, 2019 | 27,056 |  |  |  |  |
Beginning balance at Aug. 31, 2019 | $ 1,353 | 215,964 | 59,403 | 269 |  | 82,014
Beginning balance, shares, Treasury at Aug. 31, 2019 |  |  |  |  | (13,087) |
Beginning balance, Treasury at Aug. 31, 2019 |  |  |  |  | $ (194,975) |
Cumulative translation adjustments |  |  |  |  |  | 53
Net income (loss) |  |  |  |  |  | 553
Ending balance, shares at Feb. 29, 2020 | 27,056 |  |  |  |  |
Ending balance at Feb. 29, 2020 | $ 1,353 | 216,045 | 59,956 | 322 |  | 72,915
Ending balance, shares, Treasury at Feb. 29, 2020 |  |  |  |  | (13,209) |
Ending balance, Treasury at Feb. 29, 2020 |  |  |  |  | $ (204,761) |
Beginning balance, shares at Nov. 30, 2019 | 27,056 |  |  |  |  |
Beginning balance at Nov. 30, 2019 | $ 1,353 | 217,946 | 58,859 | 232 |  |
Beginning balance, shares, Treasury at Nov. 30, 2019 |  |  |  |  | (13,078) |
Beginning balance, Treasury at Nov. 30, 2019 |  |  |  |  | $ (194,855) |
Issuance of common stock from treasury, shares |  |  |  |  | 241 |
Issuance of common stock from treasury |  | (3,361) |  |  | $ 3,591 |
Purchase of treasury shares, shares |  |  |  |  | (393) |
Purchase of treasury shares |  |  |  |  | $ (13,830) |
Stock-based compensation |  | 1,793 |  |  |  |
Restricted stock award, shares |  |  |  |  | 21 |
Restricted stock award |  | (333) |  |  | $ 333 |
Cumulative translation adjustments |  |  |  | 90 |  | 90
Net income (loss) |  |  | 1,097 |  |  | 1,097
Ending balance, shares at Feb. 29, 2020 | 27,056 |  |  |  |  |
Ending balance at Feb. 29, 2020 | $ 1,353 | $ 216,045 | $ 59,956 | $ 322 |  | $ 72,915
Ending balance, shares, Treasury at Feb. 29, 2020 |  |  |  |  | (13,209) |
Ending balance, Treasury at Feb. 29, 2020 |  |  |  |  | $ (204,761) |

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