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Note 15 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Oct. 02, 2024
Jun. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Sample Management Solutions [Member]        
Impairment of Intangible Assets, Finite-Lived       $ 4,700
Fair Value, Nonrecurring [Member]        
Asset Impairment Charges     $ 0 $ 0
Conversion from Convertible Notes to Preferred Stock, Principal and Interest [Member]        
Debt Conversion, Converted Instrument, Shares Issued (in shares) 420,000      
Private Company [Member]        
Convertible Debt, Fair Value Disclosures     2,100  
Convertible Debt Securities [Member] | Private Company [Member]        
Payments to Acquire Equity Securities, FV-NI   $ 2,000    
Equity Securities, FV-NI     $ 2,100