Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2019
Accounts receivable, balance		$ 5,655
Accounts receivable, additions		23,500
Accounts receivable, deductions		24,844
Accounts receivable, balance	$ 4,311	4,311
Unbilled services, balance		5,904
Unbilled services, additions		13,708
Unbilled services, deductions		8,938
Unbilled services, balance	10,674	10,674
Balance		2,552
Customer deposits, additions		4,612
Customer deposits, deductions		1,881
Balance	5,283	5,283
Amounts included in the contract liability balance at the beginning of the period	$ 1,378	$ 1,881