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Note 5 - Senior Credit Facility, Subordinated Convertible Note, Net - CD Financial, LLC and Other Long Term Debt (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jul. 31, 2018
Apr. 17, 2018
Feb. 14, 2018
Dec. 22, 2017
Mar. 17, 2017
Jun. 09, 2016
Mar. 21, 2016
Feb. 19, 2016
Dec. 08, 2015
Jul. 29, 2015
Jun. 27, 2012
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Sep. 22, 2014
Feb. 21, 2008
Debt Instrument, Periodic Payment, Total               $ 41,000                
Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total                     $ 333,000          
Other Expenses, Total                     $ 217,000          
Capital Lease Obligations, Total                       $ 269,000 $ 307,000      
Sale Leaseback Transaction, Net Proceeds, Financing Activities, Total                       143,000 158,000      
Marlin Leasing [Member]                                
Capital Lease Obligations, Total           $ 65,000                    
Marlin Leasing [Member] | Capital Lease Obligations [Member]                                
Debt Instrument, Periodic Payment, Total           $ 3,000                    
Debt Instrument, Interest Rate, Stated Percentage           6.40%                    
Wells Fargo [Member]                                
Capital Lease Obligations, Total             $ 123,000   $ 129,000              
Wells Fargo [Member] | Capital Lease Obligations [Member]                                
Debt Instrument, Periodic Payment, Total             $ 16,000   $ 2,000              
Debt Instrument, Interest Rate, Stated Percentage             11.43%   4.01%              
First American Equipment Finance [Member]                                
Capital Lease Obligations, Total       $ 143,000 $ 158,000                      
Sale Leaseback Transaction, Net Proceeds, Financing Activities, Total       143,000 158,000                      
Sale Leaseback Transaction, Monthly Rental Payments       $ 6,000 $ 7,000                      
Sale Leaseback Transaction, Imputed Interest Rate         3.86%                      
Subsequent Event [Member] | CD Financial LLC [Member]                                
Debt Instrument, Convertible, Conversion Price $ 0.65                              
Stock Issued During Period, Shares, Conversion of Convertible Securities 8,230,769                              
CD Financial LLC [Member]                                
Debt Instrument, Interest Rate, Stated Percentage                     6.00%         9.50%
Debt Instrument, Face Amount                               $ 4,500,000
Convertible Notes Payable, Total                     $ 5,350,000          
Debt Instrument, Convertible, Conversion Price                     $ 0.65          
Embedded Derivative, Fair Value of Embedded Derivative Liability                       $ 9,000 $ 503,000      
CD Financial LLC [Member] | Default Rate [Member]                                
Debt Instrument, Interest Rate, Stated Percentage                     10.00%          
Vitamin Realty LLC [Member]                                
Debt Instrument, Face Amount                     $ 686,000          
Revolving Credit Facility [Member] | Eurodollar [Member]                                
Line of Credit Facility, Interest Rate at Period End                       5.00% 4.25%      
Term Loan [Member] | Eurodollar [Member]                                
Debt Instrument, Basis Spread on Variable Rate               3.25%                
Line of Credit Facility, Interest Rate at Period End                       5.50% 4.75%      
Convertible Line of Credit Note [Member]                                
Line of Credit Facility, Maximum Borrowing Capacity                             $ 350,000  
Debt Instrument, Basis Spread on Variable Rate                   3.25%            
Debt Instrument Convertible Aggregate Amount Advanced Trigger                             $ 350,000  
Debt Instrument, Term                   4 years            
Long-term Line of Credit, Total                   $ 350,000            
Amended Loan Agreement [Member]                                
Senior Notes, Total               $ 11,422,000                
Loans Payable, Noncurrent, Total               $ 3,422,000                
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               $ 8,000,000                
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               $ 8,000,000,000                
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                     $ 1,714,000          
E. Gerald Kay [Member] | Vitamin Realty LLC [Member]                                
Debt Instrument, Interest Rate, Stated Percentage               4.00%                
Capital Lease Entered into on February 14, 2018 [Member] | Marlin Equipment Finance [Member]                                
Capital Lease Obligations, Total     $ 38,000                          
Capital Lease Entered into on February 14, 2018 [Member] | Marlin Equipment Finance [Member] | Capital Lease Obligations [Member]                                
Debt Instrument, Periodic Payment, Total     $ 2,000                          
Debt Instrument, Interest Rate, Stated Percentage     9.26%                          
Capital Lease Entered into on April 17, 2018 [Member] | Marlin Equipment Finance [Member]                                
Capital Lease Obligations, Total   $ 15,000                            
Capital Lease Entered into on April 17, 2018 [Member] | Marlin Equipment Finance [Member] | Capital Lease Obligations [Member]                                
Debt Instrument, Periodic Payment, Total   $ 1,000                            
Debt Instrument, Interest Rate, Stated Percentage   9.38%                            
Term Note [Member] | Convertible Line of Credit Note [Member]                                
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate                   4.57%