Quarterly report pursuant to Section 13 or 15(d)

SALE OF COMMON STOCK (Details Narrative)

v3.7.0.1
SALE OF COMMON STOCK (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Apr. 13, 2017
Apr. 04, 2017
Mar. 30, 2017
Jul. 12, 2016
Jun. 21, 2016
Jun. 15, 2016
Apr. 28, 2016
Jun. 30, 2017
Jun. 30, 2016
Offering expenses               $ 1,168 $ 1,065
Net proceeds from issuance of common stock               17,400  
Value of shares sold               10  
Underwriting Agreement [Member] | Aegis Capital Corp. [Member] | Underwritten Public Offering (the "April 2017 Financing") [Member]                  
Number of shares sold     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 sold     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 sold           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 $ 2,700
Number of shares issued               1,486,474 118,821
Percentage of selling commission             3.00%    
Net of expenses               $ 300  
Value of shares sold               $ 15,000  
Selling commission                 $ 100