v3.26.1
Note 2 - Summary of Significant Accounting Policies (Details Textual)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 07, 2025
$ / shares
Mar. 31, 2026
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
Dec. 09, 2025
$ / shares
Net Income (Loss) Attributable to Parent   $ (6,202) $ (1,502)    
Retained Earnings (Accumulated Deficit)   (59,034)   $ (52,597)  
Cash and Cash Equivalent   7,215 669 $ 12,645  
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation   $ (5,011) (889)    
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares $ 0.0001 $ 0.0001   $ 0.0001 $ 0.0001
Stock Issued During Period, Shares, Whole Shares Issued Instead of Fractional Shares (in shares) | shares   1      
Stock Issued During Period, Shares, Total Whole Shares Issued Instead of Fractional Shares (in shares) | shares   76      
Stock Issued During Period, Shares, Fractional Shares (in shares) | shares   0      
Payments of Stock Issuance Costs, Fractional Shares   $ 0      
Cash Equivalents, at Carrying Value   6,700   $ 12,200  
Restricted Cash, Noncurrent   368 $ 0 0  
Inventory, Net   750   0  
Deferred Costs, Noncurrent   $ 555   136  
Cash, Uninsured Amount       $ 12,100  
Lessee, Operating Lease, Renewal Term (Year)   5 years      
Minimum [Member]          
Lessee, Operating Lease, Term of Contract (Year)   2 years 6 months      
Maximum [Member]          
Lessee, Operating Lease, Term of Contract (Year)   8 years 10 months 24 days      
Financial Standby Letter of Credit [Member]          
Guarantor Obligations, Maximum Exposure, Undiscounted   $ 350      
Guarantor Obligations, Liquidation Proceeds, Percentage   105.00%      
Restricted Cash, Noncurrent   $ 368      
Reverse Stock Split [Member]          
Stockholders' Equity Note, Stock Split, Conversion Ratio 17 17