Quarterly report pursuant to Section 13 or 15(d)

JANUARY AND JULY 2014 FINANCING (Details Textual)

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JANUARY AND JULY 2014 FINANCING (Details Textual) (USD $)
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Securities Financing Transaction [Line Items]    
Proceeds from Issuance of Common Stock $ 47,836,000 $ 10,042,000
January 2014 Financing [Member]
    
Securities Financing Transaction [Line Items]    
Stock Issued During Period, Shares, New Issues 2,898,550  
Underwriters over allotment number of shares 434,782  
Common Stock Issued During Period Per Share Two $ 15.00  
Common Stock Issuance, Discount Amount 2,600,000  
Common Stock Issuance, Discount Price Per Share $ 0.90  
Payments of Stock Issuance Costs 200,000  
Proceeds from Issuance of Common Stock 40,700,000  
January 2014 Financing [Member] | Placement Agents [Member]
    
Securities Financing Transaction [Line Items]    
Percentage Of Gross Proceeds Placement Agent Fee 6.00%  
July 2014 Financing [Member]
    
Securities Financing Transaction [Line Items]    
Stock Issued During Period, Shares, New Issues 657,000  
Common Stock Issued During Period Per Share Two $ 11.90  
Payments of Stock Issuance Costs 600,000  
Proceeds from Issuance of Common Stock $ 7,200,000