Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Debt (Details Textual)

v3.19.1
Note 8 - Debt (Details Textual)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 21, 2018
USD ($)
Jan. 31, 2019
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Jun. 30, 2018
USD ($)
Proceeds from Long-term Lines of Credit       $ 16,000  
Long-term Line of Credit, Total     $ 8,000 8,000  
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   $ 16,000        
Repayments of Lines of Credit     8,000      
Long-term Line of Credit, Total     8,000 8,000    
Interest Expense, Debt, Total       100    
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     150,800 $ 150,800   108,800
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument, Basis Spread on Variable Rate 1.00%     1.50%    
One Month LIBOR Rate       2.50%    
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     $ 6,200 $ 6,200   $ 6,200