Quarterly report pursuant to Section 13 or 15(d)

SALE OF COMMON STOCK (Details Narrative)

v3.8.0.1
SALE OF COMMON STOCK (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 28, 2017
Aug. 01, 2017
Apr. 13, 2017
Apr. 04, 2017
Mar. 30, 2017
Jul. 12, 2016
Jun. 21, 2016
Jun. 15, 2016
Apr. 28, 2016
Sep. 30, 2017
Sep. 30, 2016
Offering expenses                   $ 1,168 $ 1,294
Net proceeds from issuance of common stock                   17,400  
Value of shares sold                   74  
Underwriting Agreement [Member] | Aegis Capital Corp. [Member] | Underwritten Public Offering (the "April 2017 Financing") [Member]                      
Number of shares issued         1,800,000            
Sale of stock price per share         $ 4.45            
Percentage of underwriting discount       7.00%              
Underwriting discount       $ 600              
Underwriting discount per share (in dollars per share)       $ 0.31              
Offering expenses       $ 200              
Net proceeds from issuance of common stock       $ 7,200              
Underwriting Agreement [Member] | Aegis Capital Corp. [Member] | 45 Days Over-Allotment Option [Member]                      
Number of shares issued         270,000            
Underwriting discount     $ 100     $ 100          
Underwriting discount per share (in dollars per share)     $ 0.31     $ 1.40          
Net proceeds from issuance of common stock     $ 1,100     $ 1,400          
Number of shares issued     270,000     75,000          
Underwriting Agreement [Member] | Underwriters (Roth Capital Partners, LLC and National Securities Corporation) [Member] | 45 Days Over-Allotment Option [Member]                      
Number of shares issued               75,000      
Underwriting Agreement [Member] | Underwriters (Roth Capital Partners, LLC and National Securities Corporation) [Member] | June 2016 Financing [Member]]                      
Sale of stock price per share               $ 20.00      
Percentage of underwriting discount             7.00%        
Underwriting discount             $ 700        
Underwriting discount per share (in dollars per share)             $ 1.40        
Offering expenses             $ 200        
Net proceeds from issuance of common stock             $ 9,100        
Number of shares issued               500,000      
2016 Sales Agreement [Member] | Cowen and Company LLC [Member] | At-The-Market Offering [Member]                      
Net proceeds from issuance of common stock                 $ 15,000 $ 9,100 $ 5,200
Number of shares issued                   1,486,474 468,050
Percentage of selling commission                 3.00%    
Net of expenses                   $ 300  
Value of shares sold                   $ 15,000  
Selling commission                     $ 100
2017 Sales Agreement [Member]                      
Number of shares issued   9,000,000                  
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                    
Addition number of shares issued 300,000                    
Regular Purchase [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member]                      
Number of shares issued                   30,000  
Value of shares sold                   $ 1,000  
Regular Purchase [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member] | Closing Price $5.00 [Member]                      
Number of shares issued                   40,000  
Sale of stock price per share                   $ 5.00  
Regular Purchase [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member] | Closing Price $6.00 [Member]                      
Number of shares issued                   50,000  
Sale of stock price per share                   $ 6.00  
Regular Purchase [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member] | Closing Price $7.50 [Member]                      
Number of shares issued                   60,000  
Sale of stock price per share                   $ 7.50  
Regular Purchase [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member] | Closing Price $10.00 [Member]                      
Number of shares issued                   70,000  
Sale of stock price per share                   $ 10.00  
Accelerated Purchases [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member]                      
Sale of stock price per share                   $ 3.00  
Initial Purchase [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member]                      
Number of shares issued                   300,000  
Value of shares sold                   $ 1,000  
Additional Purchases [Member] | Lincoln Park Capital Fund, LLC ("Lincoln Park") [Member]                      
Number of shares issued                   500,000  
Sale of stock price per share                   $ 3.00  
Value of shares sold                   $ 2,000