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Note 10 - Commitments and Contingencies (Details Textual)
$ in Thousands
12 Months Ended
May 19, 2014
USD ($)
ft²
Jan. 05, 2012
USD ($)
ft²
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
May 15, 2012
USD ($)
Operating Leases, Rent Expense, Net, Total     $ 1,005 $ 967  
Stock Purchase Agreement [Member]          
Loss Contingency, Estimate of Possible Loss         $ 600
Environmental Issues [Member]          
Loss Contingency, Estimate of Possible Loss         $ 300
Manhattan Drug Company [Member]          
Payments for Rent   $ 533      
Manhattan Drug Company [Member] | Minimum [Member]          
Area of Real Estate Property | ft²   74,898      
Manhattan Drug Company [Member] | Maximum [Member]          
Area of Real Estate Property | ft²   76,161      
AgroLabs [Member]          
Area of Real Estate Property | ft² 2,700        
Payments for Rent $ 27        
Chairman, Chief Executive Office and Major Stockholder [Member]          
Percent of Ownership for Warehouse and Office Facilities Leased     100.00%    
Vitamin Realty LLC [Member]          
Operating Leases, Rent Expense, Net, Total     $ 840 819  
Accrued Rent     $ 827 $ 763