Annual report pursuant to Section 13 and 15(d)

Shareholders Equity and Capital Stock (Details Narrative)

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Shareholders Equity and Capital Stock (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Feb. 04, 2021
Feb. 21, 2023
Feb. 28, 2021
Aug. 31, 2020
Sep. 30, 2018
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Public offering price per share $ 0.90 $ 1.18            
Additional common shares purchase 2,208,330 5,100,000            
Additional warrants purchase 1,104,165 2,550,000            
Closing stock price per share           $ 1.54    
In-the-money stock options outstanding           7,489,110    
In-the-money stock options exercisable           5,780,050    
Options exercised           $ 1,400 $ 900 $ 1,800
Shares issued upon public offering 14,722,200 34,000,000            
Warrants to purchase 7,361,100 17,000,000            
Gross proceeds with warrants $ 15,200 $ 46,100            
Fees and expenses 1,300 3,000            
Net proceeds from offerings $ 13,900 $ 43,100            
Exercise price $ 1.35 $ 1.50            
Net proceeds from common stock issuance           $ 53,142 $ 3,775 $ 48,841
Number of warrants exercised           (413,030) (7,638,000) (14,050,920)
Common share issued           270,898,900 224,699,621  
Common share outstanding           270,898,900 224,699,621  
Restricted Stock Units RSU One [Member]                
Unamortized stock based comoensation expenses           $ 600    
Employee Service Share-based Compensation Period for Recognition           1 year 8 months 12 days    
Stock-based compensation expense           $ 300 $ 300 $ 400
Warrants One [Member]                
Warrants issued to purchase common shares 16,930,530 39,100,000 16,930,530 9,000,000 13,062,878      
Common shares purchase 8,465,265 19,550,000 8,465,265 4,500,000 6,531,439      
Share price   $ 1.50 $ 1.35 $ 0.75 $ 1.00      
Gross proceeds with warrants           300 2,900 6,900
Equity Option [Member]                
Unamortized stock based comoensation expenses           1,700    
Stock-based compensation expense           $ 700 $ 80 $ 70
Common Shares [Member]                
Warrants issued to purchase common shares           4,425,809 2,231,930 19,151,457
Options exercised           $ 1,400 $ 900 $ 1,800
Number of stock options exercise           2,225,098 1,308,625 2,929,101
Common stock shares sold, amount           $ 7,000 $ 3,800 $ 33,400
Common stock issued costs           200 100 800
Net proceeds from common stock issuance           $ 6,800 $ 3,700 $ 32,600
Common shares issued for released RSUs           241,857 557,372 492,394
Warrants exercised           $ 300 $ 2,900 $ 6,900
Number of warrants exercised           413,030 7,638,000 14,050,920
Number of warrants exercised for underlying common shares           206,515 3,819,000 7,025,460