Annual report pursuant to Section 13 and 15(d)

Warrant Liabilities (Details)

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Warrant Liabilities (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Beginning balance $ 6,263,000 $ 2,144,000 $ 575,000
Warrants issued   2,604,000 860,000
Warrants exercised (1,790,000) (4,446,000)  
Mark to market revaluation loss (gain) (1,835,000) 5,998,000 680,000
Effects for foreign exchange rate changes (256,000) (37,000) 29,000
Ending balance 2,382,000 6,263,000 2,144,000
Aug-2020 Warrant [Member]      
Beginning balance 2,027,000 1,415,000 0
Warrants issued   0 860,000
Warrants exercised (1,790,000) (388,000)  
Mark to market revaluation loss (gain) (215,000) 1,020,000 519,000
Effects for foreign exchange rate changes (22,000) (20,000) 36,000
Ending balance 0 2,027,000 1,415,000
February 2021 Warrant [Member]      
Beginning balance 4,236,000 0 0
Warrants issued   2,604,000 0
Warrants exercised 0 (97,000)  
Mark to market revaluation loss (gain) (1,620,000) 1,751,000 0
Effects for foreign exchange rate changes (234,000) (22,000) 0
Ending balance 2,382,000 4,236,000 0
September 2018 Warrant [Member]      
Beginning balance 0 729,000 575,000
Warrants issued   0 0
Warrants exercised 0 (3,961,000)  
Mark to market revaluation loss (gain) 0 3,227,000 161,000
Effects for foreign exchange rate changes 0 5,000 (7,000)
Ending balance $ 0 $ 0 $ 729,000