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Note 6 - Senior Credit Facility, Subordinated Convertible Note, Net - CD Financial, LLC and Other Long Term Debt (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 09, 2016
May 27, 2016
Mar. 21, 2016
Feb. 19, 2016
Dec. 08, 2015
Jul. 29, 2015
Aug. 28, 2014
Aug. 22, 2014
Dec. 05, 2013
Sep. 22, 2014
Jun. 27, 2012
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Mar. 31, 2016
Jun. 30, 2014
Jun. 30, 2013
Feb. 21, 2008
Amended Loan Agreement [Member] | Revolving Credit Facility [Member] | Eurodollar [Member]                                    
Debt Instrument, Basis Spread on Variable Rate       2.75%                            
Amended Loan Agreement [Member] | Revolving Credit Facility [Member]                                    
Line of Credit Facility, Maximum Borrowing Capacity       $ 8,000,000                            
Amended Loan Agreement [Member]                                    
Senior Notes       11,422,000                            
Loans Payable, Noncurrent       $ 3,422,000                            
Line of Credit Facility Covenant Prepayment Provisions Percentage of Excess Cash flow                         25.00%          
Term Loan [Member] | Eurodollar [Member]                                    
Debt Instrument, Basis Spread on Variable Rate                         3.25%          
Line of Credit Facility, Interest Rate at Period End                       3.75% 4.00% 3.75%        
Term Loan [Member] | Scenario Event of Default [Member]                                    
Debt Instrument, Interest Rate, Increase (Decrease)                         2.00%          
Revolving Advances [Member]                                    
Line of Credit Facility Covenant Maximum Aggregate Revolving Advance                         $ 8,000,000          
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%          
Repayments of Related Party Debt   $ 27,000                                
Term Note [Member] | Convertible Line of Credit Note [Member]                                    
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate           4.57%                        
Revolving Credit Facility [Member] | Eurodollar [Member]                                    
Line of Credit Facility, Interest Rate at Period End                       3.25% 3.50% 3.25%        
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           $ 350,000                        
Minimum Share Price Acceptable Before Required to Sell [Member] | IBio Inc [Member]                                    
Share Price                         $ 0.88       $ 0.88  
IBio Inc [Member] | Maximum [Member]                                    
Share Price                       $ 0.88   $ 0.88 $ 0.88 $ 0.88 $ 0.88  
IBio Inc [Member]                                    
Consecutive Trading Days for Stock Price Threshold                         15 days          
Investment, Shares Sold                       73,191            
Proceeds from Sale of Long-term Investments                       $ 79,000            
Maximum [Member] | Regents [Member]                                    
Capital Lease Obligations     $ 123,000                              
CD Financial LLC [Member] | Default Rate [Member]                                    
Debt Instrument, Interest Rate, Stated Percentage                     10.00%              
CD Financial LLC [Member]                                    
Debt Instrument, Interest Rate, Stated Percentage                     6.00%             9.50%
Debt Instrument, Face Amount                                   $ 4,500,000
Convertible Notes Payable                     $ 5,350,000              
Debt Instrument, Convertible, Conversion Price                     $ 0.65              
Embedded Derivative, Fair Value of Embedded Derivative Liability                       $ 12,000 $ 76,000 $ 12,000        
Vitamin Realty LLC [Member]                                    
Debt Instrument, Face Amount                     $ 686,000              
E. Gerald Kay [Member]                                    
Debt Instrument, Face Amount                         27,000          
DeLage Landen Financial Services [Member]                                    
Debt Instrument, Periodic Payment                 $ 2,000                  
Debt Instrument, Interest Rate, Stated Percentage                 5.30%                  
Debt Instrument, Face Amount                 $ 72,000                  
Wells Fargo [Member] | Capital Lease Obligations [Member]                                    
Debt Instrument, Periodic Payment     $ 16,000   $ 2,000                          
Debt Instrument, Interest Rate, Stated Percentage     11.43%   4.01%                          
Wells Fargo [Member]                                    
Capital Lease Obligations         $ 129,000                          
Quantum Analytics [Member]                                    
Debt Instrument, Interest Rate, Stated Percentage             0.00%                      
Capital Lease Obligations             $ 138,000                      
Capital Lease Obligation Monthly Lease Payment             $ 8,000                      
Marlin Leasing [Member] | Capital Lease Obligations [Member]                                    
Debt Instrument, Periodic Payment $ 3,000                                  
Debt Instrument, Interest Rate, Stated Percentage 6.40%                                  
Marlin Leasing [Member]                                    
Debt Instrument, Interest Rate, Stated Percentage               5.96%                    
Capital Lease Obligations $ 65,000             $ 47,000                    
Capital Lease Obligation Monthly Lease Payment               $ 2,000                    
Debt Instrument, Periodic Payment                         $ 41,000          
Share Price                     $ 0.09 $ 0.09 $ 0.11 $ 0.09        
Proceeds from Sale of Long-term Investments                         $ 79,000        
Interest Paid                     $ 333,000   745,000 714,000        
Other Expenses                     $ 217,000              
Capital Lease Obligations                       $ 125,000 $ 306,000 $ 125,000