Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2020	Dec. 31, 2020
Contract assets, Prepaid and other current assets, balance		$ 9,140
Contract assets, Prepaid and other current assets, Additions		13,774
Contract assets, Prepaid and other current assets, Deductions		13,305
Contract assets, Prepaid and other current assets, balance	$ 9,609	9,609
Balance		2,298
Customer deposits, additions		4,382
Customer deposits, deductions		6,315
Balance	365	365
Amounts included in the contract liability balance at the beginning of the period	$ 1,418	$ 2,298