Income Taxes - Deferred (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Components of deferred tax assets and liabilities
Accounts receivable	$ 22	$ 42
Inventories	397	413
Accrued liabilities	857	454
Stock based compensation expense	250	179
Revenue reserves	333	466
Unrealized loss (gain) on marketable securities	124	90
Capitalized research and development cost	2,923
Other	4
Total Deferred Tax Assets	4,910	1,644
Deferred income tax assets, net of valuation allowance	4,910	1,644
Intangibles	(916)	(615)
Property, plant and equipment	(729)	(582)
Other deferred tax liabilities	(613)	(613)
Total Deferred Tax Liability	(2,258)	(1,810)
Net Deferred Tax Asset/(Liability)		$ (166)
Net Deferred Tax Asset/(Liability)	$ 2,652