Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	instant

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-Topic 842
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition

The amount of gain (loss) from the modification of lease liability.

+ References

No definition available.

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- Definition

Number of right-of-use operating leases.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of short-term leases of the lessee.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

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Period Type:

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Period Type:

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Period Type:

Note 7 - Leases (Details Textual) $ in Thousands	12 Months Ended
Note 7 - Leases (Details Textual) $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2026 USD ($)	Sep. 30, 2021 USD ($)	Jul. 31, 2019
Gain (Loss) on Modification of Lease Liability	$ 1,005	$ (0)
Operating Lease, Right-of-Use Asset	$ 11,432	$ 20,404	$ 10,642
Operating Lease, Weighted Average Discount Rate, Percent	10.10%		10.10%
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years		2 years 10 months 24 days
Right of Use for Office and Manufacturing Facilities with Initial Terms Exceeding One Year [Member]
Lessee, Operating Lease, Number of Right-of-Use Leases		6	5
South San Francisco Real Estate [Member]
Gain (Loss) on Modification of Lease Liability	$ 1,000
Lessee, Operating Lease, Renewal Term (Year)	8 years				5 years
September 2021 Lease for Facility in South San Francisco [Member]
Lessee, Operating Lease, Renewal Term (Year)	8 years
Lease for Facility in South San Francisco Commenced in First Quarter of 2023 [Member]
Operating Lease, Right-of-Use Asset				$ 3,100
Facility in South San Francisco [Member]
Lessee, Operating Lease, Renewal Term (Year)	5 years
Facility in Burlingame, California [Member]
Lessee, Short-term Lease, Number of Leases	2