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12. Stockholders' Equity (Details)
6 Months Ended
Jun. 30, 2020
USD ($)
$ / shares
shares
Details  
Private Placement Units Sold 1,481,481
Private Placement Units Sold Price Per Unit | $ / shares $ 0.135
Private Placement Units Sold Value | $ $ 200,000
Issuance of common stock for cashless warrant exercise 398,575