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EMPLOYEE STOCK PLANS - Non-Vested Options (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Sep. 14, 2022 | Nov. 30, 2022 | Nov. 30, 2021
Stock Options [Abstract] |  |  |
Restricted shares |  | 6,000 |
Stock-based compensation expense |  | $ 100 |
Share-based compensation expense |  | $ 93 | $ 112
Vesting at grant date |  |  |
Stock Options [Abstract] |  |  |
Vesting rights percentage | 20.00% |  |
Vesting at anniversary |  |  |
Stock Options [Abstract] |  |  |
Vesting rights percentage | 20.00% |  |
Vesting period |  | 4 years |
2004 Incentive Plan and 2014 Equity Plan [Member] |  |  |
Number of Options [Roll Forward] |  |  |
Non-vested options outstanding, beginning of period (in shares) |  | 232,998 |
Vested (in shares) |  | (101,998) |
Non-vested options outstanding, end of period (in shares) |  | 131,000 |
Weighted Average Grant Date Fair Value [Abstract] |  |  |
Non-vested options outstanding, beginning of period (in dollars per share) |  | $ 4.47 |
Vested (in dollars per share) |  | 4.40 |
Non-vested options outstanding, end of period (in dollars per share) |  | $ 4.54 |
Stock Options [Abstract] |  |  |
Unrecognized compensation expenses |  | $ 300 |
Weighted-average period for options expected to vest |  | 2 years |
2004 Incentive Plan and 2014 Equity Plan [Member] | Maximum [Member] |  |  |
Stock Options [Abstract] |  |  |
Share-based compensation expense |  | $ 100 | $ 100

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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