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Capital Raises (Details) - At-The-Market Program [Member] - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 03, 2020
Jun. 19, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2020
Capital Raises (Textual)            
Number of issued shares of common stock     1,604,312 29,033,036 937,010 31,574,358
Commission percentage rate 4.00% 3.25%        
Aggregate offering amount $ 50,000 $ 150,000        
Net proceeds from ATM public offering     $ 2,270 $ 40,520 $ 1,250  
Minimum [Member]            
Capital Raises (Textual)            
Purchase price per share     $ 1.5064 $ 1.13 $ 1.23 $ 1.5064
Maximum [Member]            
Capital Raises (Textual)            
Purchase price per share     $ 1.5134 $ 2.02 $ 2.11 $ 1.5134