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Note 10 - Shareholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 6 Months Ended 18 Months Ended
Apr. 01, 2016
Oct. 27, 2014
Aug. 01, 2013
Jan. 31, 2016
Oct. 31, 2015
Aug. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Apr. 29, 2016
Sep. 30, 2015
Series A Convertible Preferred Stock [Member] | Increased Divided Percentage After Two Years [Member]                      
Preferred Stock, Dividend Rate, Percentage                 12.00%    
Series A Convertible Preferred Stock [Member]                      
Debt Instrument, Convertible, Threshold Consecutive Trading Days   10 days                  
Preferred stock, shares issued (in shares)   200,000                  
Share Price   $ 10                  
Gross Proceeds From Sale of Stock   $ 2,000                  
Proceeds from Issuance of Private Placement   $ 1,800                  
Preferred Stock Conversion Price   $ 3.25                  
Minimum Common Stock Price Allowing Company to Force Convert Preferred Stock   $ 6.50                  
Preferred Stock, Dividend Rate, Percentage                 6.00%    
Convertible Preferred Stock [Member] | Subsequent Event [Member]                      
Preferred Stock Dividends, Shares 3,198                    
Convertible Preferred Stock [Member]                      
Preferred Stock Dividends, Shares       3,221 3,171       14,614    
Subsequent Event [Member] | The 2016 Stock Incentive Plan [Member]                      
Common Stock, Capital Shares Reserved for Future Issuance                   2,500,000  
Common Stock [Member]                      
Preferred stock, shares issued (in shares)         680,000   680,000 680,000      
Share Price         $ 1            
Gross Proceeds From Sale of Stock         $ 680            
Proceeds from Issuance of Common Stock         $ 669            
Elements Local [Member]                      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares     105,288       11,282        
Business Acquisition Contingent Consideration Maximum Shares Issuable     48,878                
Common Stock, Shares Earned for Achievement of Revenue Targets             56,410   56,410    
Amended and Restated Stock Incentive Plan [Member] | Employee Stock Option [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period           10 years          
Amended and Restated Stock Incentive Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized           1,250,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number             691,430   691,430    
Common Stock, Capital Shares Reserved for Future Issuance             558,570   558,570    
Employee Stock Option [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number             691,430   691,430   875,977
Exercisable at $7.50 Per Share [Member] | Placement Agent Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             43,479   43,479    
Exercisable at $6.25 per Share [Member] | Placement Agent Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             138,000   138,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 6.25   $ 6.25    
Exercisable at $6.50 per Share [Member] | Placement Agent Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             46,155   46,155    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 6.50   $ 6.50    
Exercisable at $5.25 [Member] | Placement Agent Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             64,000   64,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 5.25   $ 5.25    
Exercisable at $3.25 [Member] | Placement Agent Warrants [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             61,539   61,539    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 3.25   $ 3.25    
Exercisable at $7.00 per Share [Member] | Placement Agent Warrants [Member]                      
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 7   $ 7    
Exercisable at $4.00 [Member] | Investors [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             210,000   210,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 4   $ 4    
Exercisable at $1.75 [Member] | Investors [Member]                      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights             160,000   160,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 1.75   $ 1.75    
Proceeds from Issuance of Common Stock             $ 669