Note 6 - Leases and Other Commitments and Contingencies - Leases and Commitments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Operating lease right-of-use assets	$ 3,169	$ 3,284
Current portion operating lease obligations	474	470
Operating lease obligations	2,702	2,822
Remaining cash commitment	3,572	3,719
Machinery and Equipment Leases [Member]
Operating lease right-of-use assets	24	26
Current portion operating lease obligations	11	11
Operating lease obligations	13	15
Remaining cash commitment	25	27
Office Equipment Leases [Member]
Operating lease right-of-use assets	19	22
Current portion operating lease obligations	9	9
Operating lease obligations	11	14
Remaining cash commitment	20	24
Vitamin Realty LLC [Member]
Operating lease right-of-use assets	3,126	3,236
Current portion operating lease obligations	454	450
Operating lease obligations	2,678	2,793
Remaining cash commitment	$ 3,527	$ 3,668