Note 12 - Income Taxes - Components of Deferred Income Tax Assets and (Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Uncertain tax positions	$ 138	$ 125
Reserves against current assets	936	798
Accrued expenses	3,348	2,196
Interest	927	0
Deferred compensation	514	235
Stock-based compensation	841	597
Deferred Tax Assets, Operating Loss Carryforwards and Credits State and Local	624	2,194
Lease liability	4,408	1,992
Goodwill, acquisition costs and intangible assets, deferred tax assets	0	8,040
U.S. Federal net operating loss carryover and credits	1,587	217
Deferred income tax asset before valuation allowance	13,323	16,394
Valuation allowance	(108)	(2,194)
Deferred income tax asset	13,215	14,200
Depreciation	(2,677)	(1,837)
Right of use assets	(4,299)	(1,992)
Goodwill, acquisition costs and intangible assets	(3,683)	0
Deferred income tax liability	(10,659)	(3,829)
Net deferred income tax asset	$ 2,556	$ 10,371