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v3.22.2.2

STOCK-BASED COMPENSATION - Stock option activity (Details) - ¥ / shares |  |  | 12 Months Ended
--- | --- | --- | ---
Apr. 14, 2021 | Jan. 02, 2019 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Tranche 9 [Member] |  |  |  |  |
Grant date |  |  | Jan. 02, 2014 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 10 [Member] |  |  |  |  |
Grant date |  |  | Jan. 02, 2015 |  |
Options outstanding |  |  | 0 |  |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 | 0
Options outstanding |  |  | 0 | 0 |
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 11 [Member] |  |  |  |  |
Grant date |  |  | Jan. 04, 2016 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 12 [Member] |  |  |  |  |
Grant date |  |  | Apr. 19, 2016 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 13 [Member] |  |  |  |  |
Grant date |  |  | May 16, 2016 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 14 [Member] |  |  |  |  |
Grant date |  |  | Aug. 03, 2016 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 15 [Member] |  |  |  |  |
Grant date |  |  | Jan. 03, 2017 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 16 [Member] |  |  |  |  |
Grant date |  |  | Oct. 02, 2017 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  | 36,000 | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 17 [Member] |  |  |  |  |
Grant date |  |  | Dec. 22, 2017 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 18 [Member] |  |  |  |  |
Grant date |  |  | Jan. 02, 2018 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted | 160,000 |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 19 [Member] |  |  |  |  |
Grant date |  |  | Mar. 01, 2018 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 20 [Member] |  |  |  |  |
Grant date |  |  | Jan. 02, 2019 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 21 [Member] |  |  |  |  |
Grant date |  |  | Jan. 02, 2020 |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |
Tranche 22 [Member] |  |  |  |  |
Options outstanding |  |  | 0 | 0 |
Number of options granted |  |  | 0 | 0 |
Options exercised |  |  | 0 | 0 |
Options cancelled/expired |  |  | 0 | 0 |
Options outstanding |  |  | 0 | 0 | 0
Options vested and exercisable |  |  | 0 | 0 |
Weighted average fair value at the grant date (USD) |  |  | ¥ 0 |  |

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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + 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 (c)(1)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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