Note 4 - Senior Credit Facility and Financed Lease Obligation - Debt Outstanding (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Total outstanding debt	$ 59	$ 186
Current portion of long term debt, net	(42)	(32)
Long term debt	$ 18	53
Capital Lease [Member]
Interest rate	0.00%
Convertible Debt [Member]
Current portion of long term debt, net	$ (42)	(32)
Current Portion of Long Term Debt and Long-term Debt Obligation [Member]
Financed lease obligation	60	85
Installment Note with PNC Bank [Member]
Notes Payable	$ 0	101
Interest rate	8.00%
Revolving Advances [Member]
Less: Revolving Advances	$ 0	$ (101)

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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