v3.26.3
Note 2 - Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Translation Adjustment Functional to Reporting Currency, Net of Tax $ 0 $ 0 $ 0
Foreign Currency Exchange Rate, Translation 7.8    
Asset, Impairment Loss $ 0 0 2,158
Interest Income, Short-Term Investment, Other 311 121 0
Accounts Receivable, Credit Loss Expense (Reversal) 0 0 49
Operating Lease, Impairment Loss 0 0 0
Gain (Loss) on Termination of Lease (0) (273) 0
Gain (Loss) on Termination of Lease 0 273 0
Long-Lived Asset, Held and Used, Impairment Loss $ 0 0 0
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Asset, Impairment Loss    
Revenues $ 498 0 21,818
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense 0 0 0
Unrecognized Tax Benefits 0 0  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 0    
Number of Reportable Segments 3    
Shipping and Handling [Member]      
Revenues   0 0
Cash and Cash Equivalents [Member]      
Asset, Impairment Loss $ 5,360 $ 0 $ 0