Note 2 - Acquisition of EMI Industries, LLC - Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025	Apr. 18, 2024
Goodwill	$ 172,125	$ 64,548
EMI Industries [Member]
Accounts receivable			$ 11,386
Inventory			12,246
Property, plant and equipment			7,719
Operating lease right-of-use assets			8,734
Other assets			1,176
Intangible assets			15,670
Accounts Payable			(7,103)
Accrued Expenses			(6,308)
Operating Lease Liabilities			(5,987)
Identifiable assets			37,533
Goodwill			12,426
Net purchase consideration			49,959
EMI Industries [Member] | Reported By Acquiree [Member]
Accounts receivable			11,386
Inventory			12,246
Property, plant and equipment			7,719
Other assets			1,176
Accounts Payable			(7,103)
Accrued Expenses			(6,308)
Operating Lease Liabilities			(5,987)
Identifiable assets			37,533
Goodwill			12,367
Net purchase consideration			49,900
EMI Industries [Member] | Reported By Acquiree [Member] | Previously Reported [Member]
Operating lease right-of-use assets			8,734
Intangible assets			15,670
EMI Industries [Member] | Fair Value Adjustments [Member]
Accounts receivable			0
Inventory			0
Property, plant and equipment			0
Operating lease right-of-use assets			0
Other assets			0
Intangible assets			0
Accounts Payable			0
Accrued Expenses			0
Operating Lease Liabilities			0
Identifiable assets			0
Goodwill			59
Net purchase consideration			$ 59