CONVERTIBLE NOTES - BD 1 Convertible Note - Additional Information (Details) - BD1 Exchange Agreement - BD1 Investment Holding LLC	Dec. 18, 2020 USD ($) debt_instrument $ / shares shares	Sep. 30, 2020 USD ($)
Short Term Debt [Line Items]
Conversion price (in dollars per share) \| $ / shares	$ 0.0001
Debt conversion, converted instrument, shares issued \| shares	105,000,000,000
Promissory Note
Short Term Debt [Line Items]
Repurchase amount	$ 6,300,000	$ 6,300,000
Accrued interest	1,300,000	$ 1,300,000
Promissory Note \| Not Designated
Short Term Debt [Line Items]
Default interest penalties related to convertible notes	$ 2,900,000
Unsecured Convertible Notes
Short Term Debt [Line Items]
Number of unsecured convertible notes \| debt_instrument	2
Remaining principal amount of notes outstanding	$ 10,500,000
Unamortized discount	$ 3,000,000.0
Debt instrument, maturity date	Dec. 18, 2025

Debt instrument, accrued Interest.

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- Definition

Default interest penalties related to convertible notes.

+ References

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- Definition

Number of unsecured convertible notes.

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No definition available.

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Fair value amount of debt instrument that was repurchased.

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- Definition

Amount, after accumulated amortization, of debt discount.

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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.

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