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Subsequent Events (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
May 06, 2021
Apr. 06, 2021
Dec. 04, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 03, 2020
Proceeds from exercise of warrants       $ 1,406    
Common stock, shares authorized       24,109,635   20,000,000 20,000,000
Common Stock [Member]              
Shares of common stock issued upon conversion     396,509        
Subsequent Event [Member]              
Common stock, shares authorized 24,109,635            
Subsequent Event [Member] | Common Stock [Member]              
Shares of common stock issued upon conversion 4,109,635            
Subsequent Event [Member] | Investors [Member]              
Warrants to purchase common stock   663,332          
Proceeds from exercise of warrants   $ 388          
Subsequent Event [Member] | Investors [Member] | Minimum [Member]              
Warrants exercise price   $ 0.88          
Subsequent Event [Member] | Investors [Member] | Maximum [Member]              
Warrants exercise price   $ 0.94