Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Leases (Details Textual)

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Note 6 - Leases (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 8 Months Ended 9 Months Ended
Aug. 01, 2022
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2023
Mar. 31, 2022
Jun. 30, 2022
Short-Term Lease Commitment, Amount   $ 200   $ 200 $ 200    
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)   5 years   5 years 5 years    
Lessee, Operating Lease, Lease Not yet Commenced, Payments, Due   $ 500   $ 500 $ 500    
Sale Leaseback Transaction, Gross Proceeds, Investing Activities $ 8,100            
Sale and Leaseback Transaction, Gain (Loss), Net 1,800 655 $ (0) 1,700 3,566 $ (0)  
Sale Lease Back Transaction Deferred Liabilities $ 5,200 3,500   3,500 3,500    
Sale Leaseback Transaction, Deferred Liabilities, Current   2,620   2,620 2,620   $ 0
Sale Leaseback Transaction, Deferred Liabilities, Noncurrent   900   900 900    
Other Current Liabilities [Member]              
Sale Leaseback Transaction, Deferred Liabilities, Current   2,600   2,600 2,600    
Other Long-term Liabilities [Member]              
Sale Leaseback Transaction, Deferred Liabilities, Noncurrent   $ 900   $ 900 $ 900    
Minimum [Member]              
Lessee, Finance Lease, Term of Contract (Year)   3 years   3 years 3 years    
Maximum [Member]              
Lessee, Finance Lease, Term of Contract (Year)   5 years   5 years 5 years