Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2020
Contract assets, Prepaid and other current assets, balance		$ 8,418
Contract assets, Prepaid and other current assets, Additions		25,683
Contract assets, Prepaid and other current assets, Deductions		24,213
Contract assets, Prepaid and other current assets, balance	$ 9,888	9,888
Balance		1,358
Customer deposits, additions		8,567
Customer deposits, deductions		7,942
Balance	1,983	1,983
Amounts included in the contract liability balance at the beginning of the period	$ 1,628	$ 1,358