Note 7 - Accrued Expenses - Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Customer prepayments	$ 8,421	$ 11,352
Compensation and benefits	8,029	10,051
Accrued warranty	4,337	5,295
Accrued freight	3,213	1,629
Accrued sales commissions	2,458	2,568
Accrued FICA	1,179	1,190
Finance lease liabilities	272	263
Accrued income tax	0	434
Other accrued expenses	3,924	3,712
Total Accrued Expenses	32,903	37,918
Accrued Expenses [Member]
Operating lease liabilities	$ 1,070	$ 1,424