v3.26.3
Note F - Debt (Details Textual)
$ in Thousands
12 Months Ended
Jun. 17, 2026
CHF (SFr)
May 18, 2026
USD ($)
May 11, 2026
USD ($)
Jun. 30, 2025
Aug. 18, 2021
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 20, 2025
USD ($)
Repayments of Lines of Credit           $ 60,861 $ 32,500  
Repayments of Long-Term Debt           8,994 $ 296  
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]            
Cash Flow Hedging [Member]                
Gain (Loss) on Sale of Derivatives     $ (200)          
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]                
Gain (Loss) on Sale of Derivatives     $ 200          
Legacy Corporate Lending, LLC [Member] | Loan and Security Agreement [Member] | Term Loan [Member]                
Debt Instrument, Face Amount   $ 11,000            
Debt Instrument, Basis Spread on Variable Rate   5.00%            
Debt Instrument, Term (Year)   15 years            
Debt Instrument, Interest Rate, Stated Percentage   14.00%            
Long-Term Debt           10,939    
Legacy Corporate Lending, LLC [Member] | Loan and Security Agreement [Member] | Line of Credit [Member]                
Line of Credit Facility, Maximum Borrowing Capacity   $ 20,000            
Debt Instrument, Basis Spread on Variable Rate   4.50%            
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   0.50%            
Line of Credit Facility, Commitment Fee Percentage   1.00%            
Line of Credit Facility, Remaining Borrowing Capacity           17,700    
Long-Term Line of Credit           7,700    
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member]                
Line of Credit Facility, Maximum Borrowing Capacity               $ 10,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage       0.375%        
Repayments of Lines of Credit   $ 10,000            
Line of Credit Facility, Remaining Borrowing Capacity           9,900    
Long-Term Line of Credit           1,900    
Line of Credit Facility, Interest Rate During Period       3.25%        
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member] | Term Loan [Member]                
Debt Instrument, Face Amount         $ 10,000      
Debt Instrument, Basis Spread on Variable Rate         1.80%      
Debt Instrument, Term (Year)         7 years      
Repayments of Long-Term Debt   $ 8,700            
Long-Term Debt           $ 8,900    
UBS Switzerland AG [Member] | Line of Credit [Member] | Natural Alternatives International Europe SA [Member]                
Line of Credit Facility, Maximum Borrowing Capacity | SFr SFr 2,000,000              
Line of Credit Facility, Commitment Fee Amount | SFr SFr 15,000