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Note 16 - Subsequent Events (Details Textual)
$ / shares in Units, $ in Thousands
6 Months Ended
May. 11, 2016
USD ($)
shares
Apr. 29, 2016
USD ($)
$ / shares
shares
Mar. 31, 2016
USD ($)
$ / shares
Feb. 29, 2016
USD ($)
Jan. 31, 2016
shares
Subsequent Event [Member] | Outstanding Term Notes [Member]          
Debt Instrument, Convertible, Number of Equity Instruments   4,700,000      
Debt Instrument, Convertible, Conversion Price | $ / shares   $ 0.75      
Subsequent Event [Member] | Convertible Notes [Member]          
Debt Instrument, Convertible, Number of Equity Instruments   4,000,000      
Debt Instrument, Convertible, Conversion Price | $ / shares   $ 0.75      
Subsequent Event [Member] | Term Notes [Member]          
Debt Instrument, Convertible, Number of Equity Instruments   2,666,667      
Debt Instrument, Face Amount   $ 2,000      
Debt Instrument, Interest Rate, Stated Percentage   10.00%      
Debt Instrument, Convertible, Conversion Price | $ / shares   $ 0.75      
Debt Instrument, Convertible, Automatic Conversion, Number of Trading Days Following Receipt of Approval   2      
Debt Conversion, Converted Instrument, Shares Issued | shares 1,806,680        
Stock Issued During Period, Value, Conversion of Convertible Securities $ 1,200        
Subsequent Event [Member] | Warrants Issued to Taglich Brothers, Inc. Or Its Affiliates [Member]          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares   470,000      
Warrants Term   5 years      
Outstanding Term Notes [Member] | Minimum [Member]          
Debt Instrument, Interest Rate, Stated Percentage     8.00%    
Outstanding Term Notes [Member] | Maximum [Member]          
Debt Instrument, Interest Rate, Stated Percentage     9.50%    
Outstanding Term Notes [Member] | Michael Taglich [Member]          
Debt Instrument, Face Amount     $ 2,450    
Outstanding Term Notes [Member] | Robert Taglich [Member]          
Debt Instrument, Face Amount     450    
Outstanding Term Notes [Member] | Mr. Roger Kahn [Member]          
Debt Instrument, Face Amount     100    
Outstanding Term Notes [Member]          
Debt Instrument, Face Amount     3,000    
Interest Payable     170    
Aggregate Prepayment Penalty on Debt     $ 250    
Convertible Notes [Member]          
Debt Instrument, Convertible, Number of Equity Instruments     461,539    
Debt Instrument, Face Amount     $ 3,000    
Debt Instrument, Interest Rate, Stated Percentage     11.50%    
Debt Instrument, Convertible, Conversion Price | $ / shares     $ 6.50    
Michael Taglich [Member]          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares         30,000
Interest Payable     $ 159    
Robert Taglich [Member]          
Interest Payable     10    
Mr. Roger Kahn [Member]          
Debt Instrument, Face Amount       $ 100  
Interest Payable     $ 1