Cost method investment ownership percentage.

No definition available.

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- Definition

Cost method investments cost basis.

+ References

No definition available.

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- Definition

Reverse stock split ratio for equity investment.

+ References

No definition available.

+ Details

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- Definition

The method of determining the fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

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- Definition

Balance held at close of period in number of shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
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- Definition

Amount of realized gain (loss) on investment.

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FAIR VALUE MEASUREMENTS - EQUITY INVESTMENT (Details) - USD ($)			3 Months Ended
	Dec. 01, 2020	Aug. 03, 2020	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2007
Equity Investments [Line Item]
Number of shares owned		35,990,825	0	688,929	13,842,625
Business Combination Cost Of Acquired Entity Equity Interests Issued And Issuable Fair Value Method		we received 13 BARD1 shares for every five shares of Sienna ordinary shares, resulting in our ownership of 35,990,825 shares of BARD1.
Equity investment reverse stock split	1 for 30
Realized investment gains (losses)			$ 1,233,000
Maximum
Equity Investments [Line Item]
Cost method investments ownership percentage					20.00%
Equity Investment
Equity Investments [Line Item]
Cost method investments cost basis					$ 0