Note 10 - Commitments and Contingencies - Leases and Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2018
Operating lease right-of-use assets	$ 3,284
Current portion operating lease obligations	470
Operating lease liabilities	2,822
Remaining cash commitment	3,719
Machinery and Equipment Leases [Member]
Operating lease right-of-use assets	26
Current portion operating lease obligations	11
Operating lease liabilities	15
Remaining cash commitment	27
Office Equipment Leases [Member]
Operating lease right-of-use assets	22
Current portion operating lease obligations	9
Operating lease liabilities	14
Remaining cash commitment	24
Vitamin Realty LLC [Member]
Operating lease right-of-use assets	3,236	$ 3,668
Current portion operating lease obligations	450
Operating lease liabilities	2,793	$ 3,677
Remaining cash commitment	$ 3,668