Note 7 - Commitments and Contingencies - Summary of Lease Payment Obligations -10-Q (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| 2026 (nine months remaining), operating lease | $ 310 | ||
| 2026 (nine months remaining), finance lease | 63 | ||
| 2027, operating lease | 34 | $ 412 | |
| 2027, finance lease | 32 | 88 | |
| Undiscounted total, operating lease | 344 | ||
| Undiscounted total, finance lease | 95 | ||
| Less: imputed interest, operating lease | (15) | (26) | |
| Less: imputed interest, finance lease | (7) | (13) | |
| Present value of future minimum payments, operating lease | 329 | 446 | |
| Present value of future minimum payments, financing lease | 88 | 120 | |
| Current portion of lease liability, operating lease | (329) | (386) | $ (371) |
| Current portion of lease liability, financing lease | (79) | (77) | (63) |
| Lease liability, net of current portion, operating lease | 0 | 34 | 421 |
| Lease liability, net of current portion, financing lease | $ 9 | $ 30 | $ 96 |
| X | ||||||||||
- Definition Finance Lease, Liability, Undiscounted Total No definition available.
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| X | ||||||||||
- Definition Lessee, Operating Lease, Undiscounted Total No definition available.
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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