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Note 5 - Senior Credit Facility and Other Long Term Debt - Interest Rates (Details)	Jun. 30, 2020	Jun. 30, 2019
Revolving Credit Facility [Member] \| Base Rate [Member]
Interest rate	3.25%	5.50%
Revolving Credit Facility [Member] \| Eurodollar [Member]
Interest rate		4.881%
Term Loan [Member] \| Base Rate [Member]
Interest rate	3.50%	5.75%
Term Loan [Member] \| Eurodollar [Member]
Interest rate
Term Loan [Member] \| Eurodollar [Member] \| Minimum [Member]
Interest rate		5.381%
Term Loan [Member] \| Eurodollar [Member] \| Maximum [Member]
Interest rate		5.3838%