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Additional Paid-In Capital (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 01, 2022
Jan. 11, 2021
Jan. 20, 2022
May 19, 2021
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Schedule of Additional Paid In Capital [Line Items]                
Number of shares issued             19,381,223  
Stock based compensation         $ 31 $ 25 $ 63 $ 56
Employee [Member]                
Schedule of Additional Paid In Capital [Line Items]                
Stock based compensation             57 56
2016 Stock Option Plan [Member] | Stock options [Member]                
Schedule of Additional Paid In Capital [Line Items]                
Number of shares granted   150,000 25,000          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 0.27 $ 0.34          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term   2 years 2 years          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   25.00% 25.00%          
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years 10 years          
Stock Granted, Value, Share-based Compensation, Gross   $ 25 $ 6          
Stock options granted to consultant [Member]                
Schedule of Additional Paid In Capital [Line Items]                
Stock based compensation             6 0
Unrecognized stock-based compensation [Member]                
Schedule of Additional Paid In Capital [Line Items]                
Stock based compensation             $ 83 $ 146
Deferred Share Units [Member]                
Schedule of Additional Paid In Capital [Line Items]                
Deferred share units grants in period 543,480     390,625        
General and administrative expenses $ 197     $ 207