Note 11 - Income Taxes - Components of Deferred Income Tax Assets and (Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Uncertain tax positions	$ 125	$ 128
Reserves against current assets	798	1,800
Accrued expenses	2,196	1,722
Interest		388
Deferred compensation	235	308
Stock-based compensation	597	926
State net operating loss carryover and credits	2,194	2,374
Long term capital loss carryforward		2,555
Right of use asset	1,992
Goodwill, acquisition costs and intangible assets, deferred tax assets	8,040	8,949
U.S. Federal net operating loss carryover and credits	217	1,139
Deferred income tax asset before valuation allowance	16,394	20,289
Valuation allowance	(2,194)	(3,820)
Deferred income tax asset	14,200	16,469
Depreciation	(1,837)	(2,169)
Lease liability	1,992
Deferred income tax liability	(3,829)	(2,169)
Net deferred income tax asset	$ 10,371	$ 14,300