2. Summary of Significant Accounting Policies (Tables) |
3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2021 | ||||||||||||||||||||||||||||||||||||||||||||||
| Accounting Policies [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Antidilutive shares |
At March 31, 2021 and 2020, we excluded the outstanding securities summarized below, which entitle the holders thereof to acquire shares of common stock as their effect would have been anti-dilutive.
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