Annual report pursuant to Section 13 and 15(d)

SALE OF COMMON STOCK (Details Narrative)

v3.8.0.1
SALE OF COMMON STOCK (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Sep. 28, 2017
Apr. 30, 2017
Oct. 31, 2016
Jul. 31, 2016
Jun. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Net proceeds from issuance of common stock           $ 18,500  
Value of shares sold           74 $ 167
Offering expenses           $ 1,183 1,866
Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member]              
Number of shares issued 15,000,000            
Purchase Agreement and Registration Rights Agreement [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member]              
Number of shares issued 73,039            
Value of shares sold $ 300            
Lincoln Park Purchase Agreement [Member]              
Number of shares issued           248,340  
Sale of stock price per share           $ 4.56  
Proceeds from sale           $ 1,100  
Underwriting Agreement [Member] | April 2017 financing [Member]              
Number of shares issued   2,070,000          
Sale of stock price per share   $ 4.45          
Net proceeds from issuance of common stock   $ 8,300          
Offering expenses   $ 900          
Underwriting Agreement [Member] | June 2016 Financing [Member]]              
Number of shares issued         500,000    
Sale of stock price per share         $ 20.00    
Net proceeds from issuance of common stock         $ 9,100    
Offering expenses         $ 900    
Underwriting Agreement [Member] | 45 Days Over-Allotment Option [Member]              
Sale of stock price per share       $ 20.00      
Net proceeds from issuance of common stock       $ 1,400      
Number of shares issued       75,000      
Net of expenses       $ 100      
Underwriting Agreement [Member] | October 2016 Financing [Member]              
Number of shares issued     950,000        
Sale of stock price per share     $ 5.50        
Net proceeds from issuance of common stock     $ 4,600        
Offering expenses     $ 600        
Underwriting Agreement [Member] | October 2016 Financing [Member] | Warrant [Member]              
Number of shares issued     47,361        
Addition number of shares issued     71,250        
Net proceeds from issuance of common stock     $ 700        
2016 Sales Agreement [Member] | Cowen and Company LLC [Member] | At-The-Market Offering [Member]              
Net proceeds from issuance of common stock           $ 9,100 $ 5,400
Number of shares issued           1,486,474 500,889
Net of expenses           $ 300  
Value of shares sold           $ 15,000  
Selling commission             $ 200