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v3.22.1

SUBSEQUENT EVENTS (Details) - USD ($) | May 07, 2022 | Jan. 05, 2022 | Jun. 14, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 26, 2020 | May 21, 2020
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Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of warrants to purchase ordinary shares |  |  |  | 29,520,000 | 911,112 | 1,680,000 |
Subsequent event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Gross proceeds from warrants exercises | $ 14,700 |  |  |  |  |  |
Subsequent event | Consulting agreement |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Term of investment and financial advisor period |  | 1 year |  |  |  |  |
Pre-funded warrants |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of warrants issued |  |  | 2,800,000 |  |  |  |
Number of warrants to purchase ordinary shares |  |  | 8,814,102 |  |  |  |
Pre-funded warrants | Subsequent event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of warrants to purchase ordinary shares | 1,470,000 |  |  |  |  |  |
Class A ordinary shares |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of warrants to purchase ordinary shares |  |  | 6,014,102 |  |  | 1,680,000 | 911,112
Class A ordinary shares | Subsequent event | Consulting agreement |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares issued |  | 1,050,000 |  |  |  |  |

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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
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