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12. Income (Loss) Per Share (Details Narrative) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Jun. 30, 2020
Income (loss) per share      
Warrants excluded from calculation of diluted net loss per share 6,300,000 6,300,000  
Warrants outstanding     5,560,000