Annual report pursuant to Section 13 and 15(d)

Note 11 - Debt (Details Textual)

v3.19.2
Note 11 - Debt (Details Textual)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 21, 2018
USD ($)
Jan. 31, 2019
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2017
USD ($)
Proceeds from Long-term Lines of Credit     $ 16,000  
Long-term Debt Obligations [Member]            
Debt, Weighted Average Interest Rate     4.20% 3.30% 2.40% 2.40%
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   $ 16,000        
Interest Expense, Debt, Total     $ 200 $ 100 $ 800  
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     158,900 108,800    
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] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]            
Debt Instrument, Basis Spread on Variable Rate 0.50%          
Standby Letters of Credit [Member] | The Facility [Member]            
Letters of Credit Outstanding, Amount     $ 6,100 $ 6,200    
Minimum [Member]            
Finance Lease, Weighted Average Discount Rate, Percent     3.80%      
Minimum [Member] | Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument, Basis Spread on Variable Rate 1.50%          
Minimum [Member] | Revolving Credit Facility [Member] | The Facility [Member] | Additional Margin on Variable Rate Option [Member]            
Debt Instrument, Basis Spread on Variable Rate 0.50%          
Maximum [Member]            
Finance Lease, Weighted Average Discount Rate, Percent     5.10%      
Maximum [Member] | Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument, Basis Spread on Variable Rate 2.00%          
Maximum [Member] | Revolving Credit Facility [Member] | The Facility [Member] | Additional Margin on Variable Rate Option [Member]            
Debt Instrument, Basis Spread on Variable Rate 1.00%