Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2019 USD ($)
Contract assets, Prepaid and other current assets, balance	$ 8,418
Contract assets, Prepaid and other current assets, Additions	6,325
Contract assets, Prepaid and other current assets, Deductions	8,679
Contract assets, Prepaid and other current assets, balance	6,064
Balance	1,358
Customer deposits, additions	1,943
Customer deposits, deductions	3,277
Balance	24
Amounts included in the contract liability balance at the beginning of the period	$ 1,358