Annual report pursuant to Section 13 and 15(d)

Description of Business (Details Narrative)

v3.21.1
Description of Business (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Feb. 04, 2019
Mar. 26, 2021
Dec. 31, 2020
Dec. 31, 2019
Reverse stock split 1-for-15 reverse stock split      
Common stock par value $ 0.0001   $ 0.0001 $ 0.0001
Net loss     $ (24,956,000) $ (15,918,000)
Net cash used in operating activities     (16,294,000) (8,118,000)
Cash received advance sales of common stock     $ 728,000 $ 728,000
Subsequent Event [Member]        
Sale of common stock from public offering and exercise of stock options and warrants   $ 15,480,000    
Cash received advance sales of common stock   $ 4,400,000