Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENT (Details)

v3.7.0.1
SUBSEQUENT EVENT (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended 17 Months Ended
Feb. 28, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Subsequent Event [Line Items]        
Number of shares of common stock sold (in shares)       9,617,875
Aggregate proceeds   $ 23,586 $ 5,292 $ 30,000
Common stock        
Subsequent Event [Line Items]        
Number of shares of common stock sold (in shares)   7,895,563 1,722,312  
Common stock | Subsequent events        
Subsequent Event [Line Items]        
Number of shares of common stock sold (in shares) 23,000,000      
Share price (in dollars per share) $ 2.00      
Aggregate proceeds $ 43,000