Annual report pursuant to Section 13 and 15(d)

Equity (Details Narrative)

v3.8.0.1
Equity (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Jul. 08, 2016
Nov. 30, 2016
Jul. 31, 2016
Dec. 31, 2015
Nov. 30, 2015
Sep. 30, 2015
Dec. 31, 2016
Dec. 31, 2015
Common stock, issued       907,187     2,280,407 907,187
Preferred stock, issued       0     0 0
Proceeds from issuance of warrants             $ 5,246
Proceeds from issuance of common stock             2,540 4,337
Debt issuance costs       $ 592       592
Additional paid in capital allocated for warrants             2,400  
Beneficial conversion feature             1,138  
Proceeds from issuance of preferred stock             3,622
Effective conversion rate $ 10.56              
Fair value of excess carrying value per shares $ 4.08              
Fair value of excess carrying value $ 2,500              
Number of common stock received               131
Proceeds from warrant exercises             447 5,863
Fair value adjustment of warrants              
Change in fair value of derivative liabilities             (2,476) 7,605
Settlement Agreement and Release [Member]                
Number of common stock received   $ 794            
Common stock shares, issued   80,198            
Class A Units [Member]                
Proceeds from issuance of common stock             4,900  
Debt issuance costs             300  
Placement agent fees and offering expenses             600  
Class B Units [Member]                
Proceeds from issuance of common stock             $ 7,000  
Net issuance costs             $ 400  
Proceeds from issuance of preferred stock             $ 3,600  
Warrants for derivative liability             5,800  
Warrants issuance cost             500  
Convertible Preferred Stock [Member]                
Beneficial conversion feature             6,300  
Proceeds from issuance of preferred stock             $ 3,400  
Non-cash offering costs description             The Company recorded a non-cash, deemed dividend of $6.3 million ($2.5 and $3.8 million—calculated as $0.4 million in offering costs plus $3.4 million measured as the difference between the stated value and the allocated proceeds) related to a beneficial conversion feature and accretion of a discount on convertible preferred stock.  
Calculated as offering costs             $ 400  
Measured difference between allocated proceeds             $ 3,400  
Common Stock [Member]                
Effective conversion rate             $ 6.48  
Secondary Offering [Member]                
Class of unit description     Each Class A Unit consisted of 1/12th share of common stock and one warrant to purchase 1/12th share of common stock. Each Class B Unit consisted of one share of preferred stock convertible into 83 shares of common stock and warrants to purchase 83 shares of common stock.          
Proceeds from issuance of warrants     $ 11,400          
Secondary Offering [Member] | Class A Units [Member]                
Number of units sold     5,258,000          
Price per unit     $ 1.00          
Convertible preferred stock shares conversion     83          
Warrants purchase of common stock shares     83          
Secondary Offering [Member] | Class A Units [Member] | Underwriters [Member]                
Number of units sold     1,650,000          
Secondary Offering [Member] | Class B Units [Member] | Underwriters [Member]                
Number of units sold     7,392          
Price per unit     $ 1,000          
September 2015 Offering [Member]                
Proceeds from issuance of common stock           $ 5,000    
Effective conversion rate           $ 68.64    
Placement agent fees and offering expenses           $ 663 $ 821  
Fair value adjustment of warrants           $ 9,500   9,500
Common stock shares, issued           72,908    
September 2015 Offering [Member] | Placement Agent [Member]                
Effective conversion rate             $ 84.60  
Outstanding warrants exercisable             3,645  
Fair value adjustment of warrants             $ 157  
Other Issuances [Member]                
Stock issued for service             1,500  
Restricted common stock issued             4,741  
Shares issued during period             $ 120  
Shares withheld             1,149  
Common Stock [Member]                
Beneficial conversion feature              
Number of common stock received               1
Placement agent fees and offering expenses             $ 300 $ 300
Common stock shares, issued               72,908
Number of shares issued upon cashless exercise warrants       54       54
Common Stock [Member] | Secondary Offering [Member]                
Common stock, issued     438,167          
Preferred Stock [Member]                
Convertible preferred stock shares conversion             616,000  
Preferred stock, issued             7,392  
Beneficial conversion feature              
Number of common stock received              
Placement agent fees and offering expenses             $ 371 $ 371
Common stock shares, issued              
Preferred Stock [Member] | Secondary Offering [Member]                
Convertible preferred stock shares conversion     616,000          
Preferred stock, issued     7,392          
Warrants [Member] | Secondary Offering [Member]                
Price per unit     $ 12.00          
Warrants purchase of common stock shares     1,054,167          
Convertible Preferred Stock [Member] | Secondary Offering [Member]                
Convertible preferred stock shares conversion             616,000  
Preferred stock, issued             7,392  
Fair value of excess carrying value             $ 447,000  
Number of common stock received             $ 37,208  
Common stock shares, issued             446,500  
Series A Warrants [Member]                
Common stock shares, issued             44,699  
Number of shares issued upon cashless exercise warrants             94,780  
Series A Warrants [Member] | September 2015 Offering [Member]                
Price per unit       $ 18.00       $ 18.00
Proceeds from issuance of warrants               $ 4,900
Placement agent fees and offering expenses               $ 585
Warrants converted into shares of common stock               109,648
Warrants exercised               327,057
Change in number of warrants               80,247
Class of warrant outstanding       103,114       103,114
Warrants expiration date               Dec. 11, 2020
Fair value adjustment of warrants               $ 14,400
Gross proceeds from offering               5,000
Proceeds from issuance of common stock, net of issuance costs               131
Change in fair value of derivative liabilities               $ 9,500
Series A Warrants [Member] | September 2015 Offering [Member] | Minimum [Member]                
Price per unit         $ 18.00      
Change in number of warrants         277,016      
Series A Warrants [Member] | September 2015 Offering [Member] | Maximum [Member]                
Price per unit         $ 84.60      
Change in number of warrants         349,924      
Series A Warrants [Member] | September 2015 Offering [Member] | Investors [Member]                
Outstanding warrants exercisable           72,908    
Series B Warrants [Member] | September 2015 Offering [Member]                
Proceeds from warrant exercises         $ 5,000      
Warrants converted into shares of common stock         277,016      
Warrants exercised         72,908      
Series C Warrants [Member] | September 2015 Offering [Member]                
Price per unit       $ 18.00       $ 18.00
Proceeds from warrant exercises       $ 1,400        
Warrants converted into shares of common stock       80,247        
Warrants exercised       80,247        
Change in number of warrants       91,134        
Class of warrant outstanding       10,887       10,887
Warrants expiration date       Dec. 30, 2015        
Other Warrants [Member]                
Warrants converted into shares of common stock             17  
Riverside [Member]                
Number of shares issued upon cashless exercise warrants             156,893