Annual report pursuant to Section 13 and 15(d)

Note 11 - Debt (Details Textual)

v3.20.2
Note 11 - Debt (Details Textual)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 30, 2020
USD ($)
Mar. 23, 2020
USD ($)
Dec. 21, 2018
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2020
USD ($)
Proceeds from Long-term Lines of Credit         $ 100,000 $ 16,000  
Long-term Line of Credit, Total       $ 50,000 50,000    
Revolving Credit Facility [Member] | The Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity     $ 165,000          
Debt Issuance Costs, Net, Total     600          
Proceeds from Long-term Lines of Credit $ 20,000 $ 80,000            
Long-term Line of Credit, Total       50,000 $ 50,000     $ 100,000
Repayments of Long-term Lines of Credit       $ 50,000        
Debt, Weighted Average Interest Rate       1.70% 1.70%      
Interest Expense, Debt, Total         $ 500 500    
Debt Covenant, Fixed Charge Coverage Ratio, Maximum Unused Availability     $ 18,500          
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio     1          
Line of Credit Facility, Remaining Borrowing Capacity       $ 58,900 58,900 158,900    
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                
Debt Instrument, Basis Spread on Variable Rate     1.00%          
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]                
Debt Instrument, Basis Spread on Variable Rate     1.50%          
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]                
Debt Instrument, Basis Spread on Variable Rate     2.00%          
Revolving Credit Facility [Member] | The Facility [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]                
Debt Instrument, Basis Spread on Variable Rate     0.50%          
Revolving Credit Facility [Member] | The Facility [Member] | Additional Margin on Variable Rate Option [Member] | Minimum [Member]                
Debt Instrument, Basis Spread on Variable Rate     0.50%          
Revolving Credit Facility [Member] | The Facility [Member] | Additional Margin on Variable Rate Option [Member] | Maximum [Member]                
Debt Instrument, Basis Spread on Variable Rate     1.00%          
Standby Letters of Credit [Member] | The Facility [Member]                
Letters of Credit Outstanding, Amount       $ 5,800 $ 5,800 $ 6,100