Note 6 - Leases and Other Commitments and Contingencies - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Operating lease costs	$ 163	$ 166	$ 330	$ 332
Amortization of right-of use assets	0	12	0	24
Interest on operating lease liabilities	0	1	0	2
Total finance lease cost	0	13	0	26
Unrelated Party [Member]
Operating lease costs	21	25	47	49
Amortization of right-of use assets	0	12	0	24
Interest on operating lease liabilities	0	1	0	2
Total finance lease cost	0	13	0	26
Vitamin Realty LLC [Member]
Operating lease costs	142	141	283	283
Amortization of right-of use assets	0	0	0	0
Interest on operating lease liabilities	0	0	0	0
Total finance lease cost	$ 0	$ 0	$ 0	$ 0