Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Commitments and Contingencies (Details Textual)

v3.19.2
Note 13 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
Jul. 31, 2019
Dec. 06, 2018
Oct. 31, 2018
Letters of Credit Outstanding, Amount $ 1.5    
Standby Letters of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 7.5  
Bank Account to Facilitate Administration of Claims [Member]      
Restricted Cash, Total 0.3   $ 0.3
Accrued Liabilities and Other Liabilities [Member]      
Self-insurance, Accrued Expenses for Claims Incurred But Not Reported and Estimated Losses Reported 4.8   3.2
Self-insurance, Accrued Expenses for Health Claims Incurred But Not Reoprted $ 1.5   $ 1.0