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Note 4 - Senior Credit Facility, Subordinated Convertible Note, Net - CD Financial, LLC and Other Long Term Debt (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended
Feb. 19, 2016
Jun. 27, 2012
Sep. 30, 2017
Jun. 30, 2017
Feb. 21, 2008
Debt Instrument, Periodic Payment $ 41        
Interest Paid   $ 333      
Other Expenses   $ 217      
CD Financial LLC [Member]          
Debt Instrument, Interest Rate, Stated Percentage   6.00%     9.50%
Debt Instrument, Face Amount         $ 4,500
Convertible Notes Payable   $ 5,350      
Debt Instrument, Convertible, Conversion Price   $ 0.65      
Embedded Derivative, Fair Value of Embedded Derivative Liability     $ 621 $ 503  
CD Financial LLC [Member] | Default Rate [Member]          
Debt Instrument, Interest Rate, Stated Percentage   10.00%      
Vitamin Realty LLC [Member]          
Debt Instrument, Face Amount   $ 686      
Revolving Credit Facility [Member] | Eurodollar [Member]          
Line of Credit Facility, Interest Rate at Period End     4.25% 4.25%  
Term Loan [Member] | Eurodollar [Member]          
Line of Credit Facility, Interest Rate at Period End 3.25%   4.75% 4.75%  
Amended Loan Agreement [Member]          
Senior Notes $ 11,422        
Loans Payable, Noncurrent $ 3,422        
Line of Credit Facility Covenant Prepayment Provisions Percentage of Excess Cash flow 25.00%   25.00%    
Amended Loan Agreement [Member] | Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity $ 8,000        
Amended Loan Agreement [Member] | Revolving Credit Facility [Member] | Eurodollar [Member]          
Debt Instrument, Basis Spread on Variable Rate 2.75%        
Term Loan [Member] | Scenario Event of Default [Member]          
Debt Instrument, Interest Rate, Increase (Decrease) 2.00%        
Number of Consecutive Monthly Installments 84        
Number of Consecutive Monthly Installments, Fixed Amount 83        
Revolving Advances [Member]          
Line of Credit Facility Covenant Maximum Aggregate Revolving Advance $ 8,000        
Line of Credit Facility Covenant Aggregate Revolving Advance Receivables Advance Rate 85.00%        
Line of Credit Facility Covenant Aggregate Revolving Advance Inventory Advance Rate 75.00%        
Promissory Note [Member] | CD Financial LLC [Member]          
Debt Instrument, Face Amount   $ 1,714      
E. Gerald Kay [Member] | Vitamin Realty LLC [Member]          
Debt Instrument, Interest Rate, Stated Percentage 4.00%