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Stockholders' Equity (Details Textual)
 12 Months Ended
Oct. 13, 2015
USD ($)
$ / shares
shares
Sep. 16, 2013
USD ($)
shares
Apr. 04, 2013
USD ($)
$ / shares
shares
Mar. 21, 2013
shares
Feb. 27, 2013
shares
Feb. 26, 2013
shares
Dec. 31, 2011
USD ($)
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 2013
USD ($)
$ / shares
shares
Aug. 12, 2013
shares
Jun. 30, 2014
shares
Stockholders Equity (Textual)                        
Issuance of common stock | $   $ 7,700,000             $ 10,000,000      
Issuance of common stock, shares   1,168,939             2,500,000      
Shares price per share | $ / shares                 $ 4.00      
Proceeds from sale of stock after expenses and fees | $   $ 6,900,000             $ 9,300,000      
Placement agent fee | $                 $ 600,000      
Warrants issued to purchase shares of common stock                 2,500,000      
Direct offering cost | $ $ 700,000                      
Cash | $ $ 5,400,000                      
Common Stock, Capital Shares Reserved for Future Issuance                       5,000,000
Price per share | $ / shares $ 1.90                      
Stock issued for cash | $ $ 6,100,000                      
Exercise price | $ / shares     $ 1.00           $ 5.09      
Warrants issued to placement agent                 75,000      
Stock purchase warrant     40,000                  
Estimated fair value of the warrants | $     $ 166,000                  
Proceeds from issuance of warrants | $     $ 40,000                  
Issuance costs | $   $ 800,000             $ 700,000      
Series B Preferred Stock [Member]                        
Stockholders Equity (Textual)                        
Preferred stock conversion ratio per share of common stock               132.07        
Preferred stock, liquidation preference | $ / shares               $ 0.001 $ 0.001      
Conversion of shares       8 4     10,962        
Conversion of stock, shares issued       929 528              
Preferred stock voting rights description                 The holders of shares of Series B Preferred stock have one vote for each share of Series B Preferred stock held by them.      
Preferred stock conversion description                 Each share of Series B Preferred stock was convertible into one share of our common stock.      
Series A Preferred Stock [Member]                        
Stockholders Equity (Textual)                        
Conversion of shares       83                
Conversion of stock, shares issued       39,790                
Thomas Eriksson [Member]                        
Stockholders Equity (Textual)                        
Aggregate shares of common stock, shares 157,893             157,893        
Aggregate purchase price of common stock, value | $ $ 300,000             $ 300,000        
Per Bystedt [Member]                        
Stockholders Equity (Textual)                        
Aggregate shares of common stock, shares 157,893             157,893        
Aggregate purchase price of common stock, value | $ $ 300,000             $ 300,000        
Mats Dahlin [Member]                        
Stockholders Equity (Textual)                        
Aggregate shares of common stock, shares               157,893        
Aggregate purchase price of common stock, value | $               $ 300,000        
Maximum [Member]                        
Stockholders Equity (Textual)                        
Exercise price | $ / shares                   $ 3.13    
Minimum [Member]                        
Stockholders Equity (Textual)                        
Exercise price | $ / shares                   $ 1.00    
Common Stock [Member]                        
Stockholders Equity (Textual)                        
Issuance of common stock, shares               3,200,000        
Warrants issued to purchase shares of common stock               280,000        
Cash | $               $ 5,400,000        
Common Stock, Capital Shares Reserved for Future Issuance                 5,000,000      
Price per share | $ / shares               $ 1.90        
Stock issued for cash | $               $ 6,100,000        
Common stock purchased by exercise of warrants               150,234        
Warrant [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock                 17,000 1,815,368    
Additional warrants issued to purchase shares of common stock                 11,500 429,536    
Exercise price | $ / shares                 $ 3.13      
Common stock purchased by exercise of warrants             20,000   10,053 1,384,719    
Estimated fair value of the warrants | $             $ 75,000          
Proceeds from issuance of warrants | $                 $ 36,000 $ 714,000    
Warrant [Member] | Phenning Holdings Ltd [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock                     227,661  
Common stock purchased by exercise of warrants                     185,890  
Warrant [Member] | David Brunton [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock           320,000            
Common stock purchased by exercise of warrants           266,228            
Warrant [Member] | Thomas Eriksson [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock                     400,000  
Common stock purchased by exercise of warrants                     326,608  
Warrant [Member] | Per Bystedt [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock                     387,773  
Common stock purchased by exercise of warrants                     316,624  
Warrant [Member] | Mats Dahlin [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock                     215,724  
Common stock purchased by exercise of warrants                     176,143  
Warrant [Member] | John Reardon [Member]                        
Stockholders Equity (Textual)                        
Warrants issued to purchase shares of common stock                     80,000  
Common stock purchased by exercise of warrants                     65,322