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7. Stock Based Compensation (Details 1)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Share-based Payment Arrangement, Noncash Expense [Abstract]  
Number of options outstanding, beginning | shares 17,082
Granted | shares 0
Number of options outstanding, ending | shares 17,082
Weighted Average Exercise Price Per Share  
Outstanding, beginning $ 6.10
Granted .00
Outstanding, ending 6.10
Weighted Average Grant Date Fair Value Per Share  
Outstanding, beginning 3.36
Granted .00
Outstanding, ending $ 3.36