v3.25.2
Note 4 - Discontinued Operations (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Apr. 12, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Dec. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Common stock, par value   $ 0.001   $ 0.001     $ 0.001
Estimated reduction of reserve from hazardous waste disposal vendor   $ 300,000   $ 300,000      
Stock-based compensation expense on discontinued operations         $ 0.2    
Discontinued operations, Provision (benefit) for income taxes   0 $ 0 0 $ 0    
GT Medical Technologies, Inc. [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Stock issued during period, shares 279,516            
Common stock, par value $ 0.0001            
Percentage of issued and outstanding capital stock 0.50%            
Royalty agreement percentage of net sales receivable 0.50%            
GT Medical Technologies, Inc. [Member] | Net Sales of $10.0 Million or Less [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Royalty agreement percentage of net sales receivable 3.00%            
GT Medical Technologies, Inc. [Member] | Net Sales Between $10.0 and 15.0 Million [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Royalty agreement percentage of net sales receivable 4.00%            
GT Medical Technologies, Inc. [Member] | Net Sales Greater Than $15.0 Million [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Royalty agreement percentage of net sales receivable 5.00%            
GT Medical Technologies, Inc. [Member] | GT Medical Stock [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Estimated fair value $ 200,000         $ 200,000  
GT Medical Technologies, Inc. [Member] | Royalty [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Royalties payable   $ 200,000   $ 200,000