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
Jan. 31, 2017
Jul. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Feb. 24, 2017
May 06, 2016
Proceeds from issuance of common stock gross   $ 3,900          
Proceeds from issuance of common stock net   3,128     $ 2,540    
Stock issuance cost   600          
Allocated to warrants   800          
Warrants issuance cost   $ 100          
Warrants expire term   5 years          
Warrant exercise price per share   $ 6.60          
Units price per unit $ 10.56            
Common stock, issued       3,028,065      
Preferred stock, issued            
Proceeds from issuance of warrants       $ 679 $ 5,246    
Fair value of excess carrying value per shares $ 4.08            
Fair value of excess carrying value $ 2,500            
Number of common stock received       3,128      
Riverside Debt [Member]              
Common stock, issued             11,667
Number of common stock exercise, shares         156,893    
Hampshire MedTech Partners II, GP [Member] | Settlement Agreement [Member]              
Number of common stock received       $ 794      
Number of common stock exercise, shares       80,198      
Class A Units [Member]              
Proceeds from issuance of common stock gross       $ 4,900      
Proceeds from issuance of common stock net       2,500      
Stock issuance cost       300      
Allocated to warrants       2,400      
Class B Units [Member]              
Proceeds from issuance of common stock gross       7,000      
Proceeds from issuance of common stock net       3,600      
Stock issuance cost       400      
Allocated to warrants       3,400      
Warrants issuance cost       500      
Warrants for derivative liability       5,800      
Convertible Preferred Stock [Member]              
Non-cash, deemed dividend       $ 6,300      
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.      
Offering costs       $ 400      
Proceed from convertible preferred stock       3,400      
Common Stock [Member]              
Stock issuance cost       $ 601 $ 300    
Units price per unit       $ 6.48      
Number of common stock received       $ 8      
Number of common stock exercise, shares       741,667      
Preferred Stock [Member]              
Stock issuance cost         $ 371    
Convertible preferred stock shares conversion       616,000      
Preferred stock, issued       7,392      
Number of common stock received            
Number of common stock exercise, shares            
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 shares of common stock sold     5,258,000        
Number of warrant to purchase shares of common stock     83        
Units price per unit     $ 1.00        
Convertible preferred stock shares conversion     83        
Secondary Offering [Member] | Class A Units [Member] | Underwriter [Member]              
Number of shares of common stock sold     1,650,000        
Secondary Offering [Member] | Class B Units [Member] | Underwriter [Member]              
Number of shares of common stock sold     7,392        
Units price per unit     $ 1,000        
Secondary Offering [Member] | Convertible Preferred Stock [Member]              
Convertible preferred stock shares conversion       616,000      
Preferred stock, issued       7,392      
Number of common stock received       $ 400      
Number of common stock exercise, shares       37,208      
Secondary Offering [Member] | Underwriter [Member]              
Number of warrant to purchase shares of common stock           30,000  
Secondary Offering [Member] | Common Stock [Member]              
Number of shares of common stock sold   741,667          
Common stock, issued     438,167        
Secondary Offering [Member] | Warrants [Member]              
Number of warrant to purchase shares of common stock   333,750 1,054,167        
Warrant exercise price per share     $ 12.00        
Secondary Offering [Member] | Preferred Stock [Member]              
Convertible preferred stock shares conversion     616,000        
Preferred stock, issued     7,392