Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Details 3)

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STOCKHOLDERS' EQUITY (Details 3) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2015
Dec. 31, 2015
Controlled Equity Offering    
Aggregate net proceeds   $ 5,292
Common Stock    
Controlled Equity Offering    
Number of shares of common stock sold (in shares)   1,722,312
Cantor | Common Stock    
Controlled Equity Offering    
Maximum value of shares available under Controlled Equity Offering $ 30,000  
Number of shares of common stock sold (in shares)   1,722,312
Aggregate net proceeds   $ 5,500
Value of shares registered for sale   $ 24,300