Note 10 - Commitments and Contingencies - Leases and Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Operating lease right-of-use assets	$ 1,867	$ 2,365
Current portion operating lease obligations	510	500
Operating lease liabilities	1,359	1,870
Remaining cash commitment	2,004	3,152
Office Equipment Leases [Member]
Operating lease right-of-use assets	28	38
Current portion operating lease obligations	7	10
Operating lease liabilities	21	28
Remaining cash commitment	32	44
Machinery and Equipment Leases [Member]
Operating lease right-of-use assets		5
Current portion operating lease obligations		5
Operating lease liabilities		0
Remaining cash commitment		5
Vitamin Realty LLC [Member]
Operating lease right-of-use assets	1,839	2,322
Current portion operating lease obligations	503	485
Operating lease liabilities	1,338	1,842
Remaining cash commitment	$ 1,972	$ 3,103