Note 4 - Senior Credit Facility and Other Long Term Debt - Debt Outstanding (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Total outstanding debt	$ 2,728	$ 3,639
Prepaid financing costs	0	(9)
Current portion of long term debt, net	0	(1,457)
Long term debt, net	0	0
Convertible Debt [Member]
Current portion of long term debt, net	0	(1,457)
Revolving Advances [Member]
Notes Payable	$ 2,728	2,173
Interest rate	3.50%
Less: Revolving Advances	$ (2,728)	(2,173)
Installment Note with PNC Bank [Member]
Notes Payable	$ 0	$ 1,466
Interest rate	3.50%

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

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