Note 4 - Senior Credit Facility and Other Long Term Debt - Debt Outstanding (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Total outstanding debt	$ 1,513	$ 3,639
Prepaid financing costs	(4)	(9)
Current portion of long term debt, net	(136)	(1,457)
Long term debt, net	0	0
Convertible Debt [Member]
Current portion of long term debt, net	(136)	(1,457)
Revolving Advances [Member]
Notes Payable	$ 1,373	2,173
Interest rate	3.25%
Less: Revolving Advances	$ (1,373)	(2,173)
Installment Note with PNC Bank [Member]
Notes Payable	$ 140	$ 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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