Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Operating lease right-of-use assets	$ 2,239	$ 2,365
Current portion of operating lease liabilities	499	500
Operating lease liabilities	$ 1,744	$ 1,870
Common stock, par value (in dollars per share)	$ 0.002	$ 0.002
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	29,855,177	29,838,177
Common stock, shares outstanding (in shares)	29,820,277	29,803,277
Treasury stock, shares (in shares)	34,900	34,900
Vitamin Realty LLC [Member]
Operating lease right-of-use assets	$ 2,203	$ 2,322
Accounts payable, related parties	75	65
Current portion of operating lease liabilities	489	485
Operating lease liabilities	$ 1,718	$ 1,842