Note 12 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 100,000	$ 100,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	538,000
Deferred Tax Assets, Operating Loss Carryforwards, Increase from Acquisition	$ 500,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign, Period (Year)	20 years
Deferred Tax Assets, Operating Loss Carryforwards and Credits State and Local	$ 310,000	624,000
Oregon Net Operating Loss, Term (Year)			4 years
Unrecognized Tax Benefits, Ending Balance	600,000	700,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	300,000	300,000
Unrecognized Tax Benefits, Income Tax Penalties Accrued	200,000	200,000
Reserve for Unrecognized Tax Benefits, Including Penalties and Interest	1,100,000	1,200,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	600,000	700,000
Unrecognized Tax Benefits, Period Increase (Decrease), Total	100,000	100,000
Unrecognized Tax Benefits, Interest on Income Taxes Expense	8,000	32,000
Unrecognized Tax Benefits, Income Tax Penalties Expense	10,000	19,000
JSI Store Fixtures [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Total		300,000
Deferred Tax Assets, Operating Loss Carryforwards and Credits State and Local		300,000
Domestic Tax Authority [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Total	$ 1,100,000	1,500,000
Domestic Tax Authority [Member] | Virticus [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		1,400,000	$ 100,000
Operating Loss Carryforwards, Expiration Period (Year)			3 years
State and Local Jurisdiction [Member] | Oregon Department of Revenue [Member]
Tax Credit Carryforward, Valuation Allowance			$ 100,000
State and Local Jurisdiction [Member] | New York State Division of Taxation and Finance [Member]
Deferred Tax Asset and Related Valuation Allowance, Eliminated		$ 2,100,000