Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2019 USD ($)
Prepaid and other current assets, balance	$ 5,904
Prepaid and other current assets, additions	24,380
Prepaid and other current assets, deductions	21,866
Prepaid and other current assets, balance	8,418
Customer deposits, additions	2,552
Customer deposits, deductions	6,336
Balance	7,530
Amounts included in the contract liability balance at the beginning of the period	$ 2,552