v3.26.3
Note 13 - Income Taxes 1 (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Income Tax Expense (Benefit) $ 21 $ 437    
Effective Income Tax Rate Reconciliation, Percent (0.10%) (3.20%)    
Accrued Income Taxes, Current $ 1,300 $ 1,100    
Operating Loss Carryforwards, Limitations on Use, Ownership Change, Post-change Net Operating Loss, Fully Available to Offset Current Fiscal Year Pre-Change Income Subject to Limitation       $ 12,000
Operating Loss Carryforwards, Limitations on Use, Ownership Change, Post-change Net Operating Loss, Disallowed Recognized Built-in Loss, Carried Forward as Operating Loss   10,500    
Operating Loss Carryforwards 452,200      
Operating Loss Carryforwards, Not Subject to Expiration 163,400      
Operating Loss Carryforward, Subject To Expire 288,800      
Deferred Tax Assets, Valuation Allowance 123,703 136,552    
Unrecognized Tax Benefits 517 518 $ 1,313  
Income Tax Paid, after Refund Received 211 $ 1,419    
Income Tax Jurisdiction, Domestic State and Local, Other [Member]        
Income Tax Paid, State and Local, after Refund Received 39      
Tennessee Tax Authority [Member]        
Income Tax Paid, State and Local, after Refund Received 69      
North Carolina Tax Authority [Member]        
Income Tax Paid, State and Local, after Refund Received 48      
Georgia Tax Authority [Member]        
Income Tax Paid, State and Local, after Refund Received 29      
Florida Tax Authority [Member]        
Income Tax Paid, State and Local, after Refund Received 16      
Texas Tax Authority [Member]        
Income Tax Paid, State and Local, after Refund Received $ 10      
Neo [Member]        
Open Tax Year 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025      
Research Tax Credit Carryforward [Member]        
Tax Credit Carryforward, Amount $ 2,900