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SUBSEQUENT EVENTS (Details) - Subsequent event - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended
Apr. 17, 2020
Apr. 15, 2020
May 07, 2020
Subsequent events      
Number of shares issued (in shares)     560,577
Proceeds from Issuance of Common Stock     $ 6
April 2020 Direct Offering      
Subsequent events      
Number of shares issued (in shares)   1,715,240  
Stock price (in dollars per share)   $ 1.75  
Proceeds from Issuance of Common Stock $ 3,000 $ 3,000  
April 2020 Warrants | April 2020 Direct Offering      
Subsequent events      
Warrants for purchase of common stock (in shares)   1,715,240  
Warrant Exercise Price   $ 1.62  
April 2020 Placement Agent Warrants | April 2020 Direct Offering      
Subsequent events      
Warrants for purchase of common stock (in shares)   111,491  
Warrant Exercise Price   $ 2.1875  
Warrants issued percentage on outstanding stock   6.50%