Note 3 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Contract assets	$ 31,138	$ 24,679
Contract assets, additions	16,396	16,315
Contract assets, deduction	15,072	11,456
Contract assets	32,462	29,538
Contract liabilities	0	41
Contract liabilities, additions	0	2,635
Contract liabilities, deductions	0	2,638
Contract liabilities	0	38
Amounts included in the contract liability balance at the beginning of the period	$ 0	$ 41