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DERIVATIVE LIABILITIES (Fair Value Measurement Inputs and Valuation Techniques) (Details) - Weighted Average [Member] | Jun. 30, 2021 Y | Jun. 30, 2020 Y
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Risk-free Interest Rate [Member] |  |
DERIVATIVE LIABILITIES |  |
Assumptions to fair value of the derivative warrant liabilities | 0.0036 | 0.0023
Expected Life [Member] |  |
DERIVATIVE LIABILITIES |  |
Assumptions to fair value of the derivative warrant liabilities | 1.54 | 2.54
Expected Annualized Volatility [Member] |  |
DERIVATIVE LIABILITIES |  |
Assumptions to fair value of the derivative warrant liabilities | 0.708 | 0.869
Dividend [Member] |  |
DERIVATIVE LIABILITIES |  |
Assumptions to fair value of the derivative warrant liabilities | 0 | 0
Liquidity Discount [Member] |  |
DERIVATIVE LIABILITIES |  |
Assumptions to fair value of the derivative warrant liabilities | 0.20 | 0.20

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- Definition Value of input used to measure derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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