Represents the number of tranches.

No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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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

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- Definition

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

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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- Definition

Number of new stock issued during the period.

+ References

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Liquidity and Going Concern (Narrative) (Details)	Mar. 31, 2022 USD ($) shares	Feb. 09, 2022 USD ($) tranche $ / shares shares	Sep. 30, 2023 USD ($)	Jul. 10, 2023 USD ($)	Jan. 10, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)
Accumulated deficit \| $			$ (288,972,000)			$ (239,774,000)
Cash and cash equivalents \| $			$ 23,958,000			$ 14,852,000	$ 25,382,000
Innoviva Strategic Opportunities LLC [Member] \| Secured term loan
Aggregate amount \| $				$ 25,000,000.0	$ 30,000,000.0
Interest rate (as a percent)			27.31%	14.00%	8.00%
Securities Purchase Agreement [Member] \| Innoviva Strategic Opportunities LLC [Member]
Number of tranches \| tranche		2
Shares Issued, Price Per Share \| $ / shares		$ 5.00
Stock Issued During Period, Shares, New Issues		9,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		4,500,000
Exercise price of warrants \| $ / shares		$ 5.00
Securities Purchase Agreement First Tranche [Member] \| Innoviva Strategic Opportunities LLC [Member]
Stock Issued During Period, Shares, New Issues		3,614,792
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,807,396
Proceeds from issuance of common stock and warrants \| $		$ 18,100,000
Securities Purchase Agreement Second Tranche [Member] \| Innoviva Strategic Opportunities LLC [Member]
Stock Issued During Period, Shares, New Issues	5,385,208
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,692,604
Proceeds from issuance of common stock and warrants \| $	$ 26,900,000