Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENT (Details Textual)

v3.2.0.727
SUBSEQUENT EVENT (Details Textual) - Equity Component [Domain] - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended
Jul. 14, 2015
Jul. 17, 2015
Jun. 30, 2015
Jun. 30, 2014
Subsequent Event [Line Items]        
Proceeds from Issuance of Common Stock     $ 29,000 $ 40,654
Payments of Stock Issuance Costs     $ 2,115  
Common Stock Issued During Period Per Share Two     $ 5.85  
Over-Allotment Option [Member]        
Subsequent Event [Line Items]        
Sale of Stock, Number of Shares Issued in Transaction     418,700  
Sale of Stock, Consideration Received on Transaction     $ 2,300  
Subsequent Event [Member] | Over-Allotment Option [Member]        
Subsequent Event [Line Items]        
Sale of Stock, Number of Shares Issued in Transaction   348,750    
Sale of Stock, Consideration Received on Transaction   $ 2,500    
Subsequent Event [Member] | July Financing [Member]        
Subsequent Event [Line Items]        
Stock Issued During Period, Shares, New Issues 2,325,000      
Proceeds from Issuance of Common Stock   16,200    
Payments of Stock Issuance Costs   200    
Common Stock Issued During Period Per Share Two $ 7.50      
Underwriters Over Allotment Number of Shares 348,750      
Common Stock Issuance, Discount Amount   $ 1,000    
Common Stock Issuance, Discount Price Per Share   $ 0.45