Note 4 - Debt Obligations - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Vehicle Loan [Member]
Long-term debt, current	$ 13	$ 13
Total long-term debt, net of current	26	29
Term Loan Agreement [Member]
Long-term debt, current	17	17
Total long-term debt, net of current	18	22
SBA EIDL Loan [Member]
Long-term debt, current	10	10
Paycheck Protection Program CARES Act [Member]
Notes payable, current	43	43
Debt Excluding Clyra Medical Technologies [Member]
Total current portion of debt	83	83
Total long-term debt, net of current	174	182
Total	257	265
Economic Injury Disaster Loan [Member]
Total long-term debt, net of current	$ 130	$ 131

Amount of debt and lease obligation, classified as current.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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- Definition

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+ References

No definition available.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 9
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

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