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Cash Equivalents	12 Months Ended
	Dec. 31, 2020
Cash Equivalents And Short Term Investments [Abstract]
Cash Equivalents	Cash Equivalents Cash Equivalents Cash equivalents consist of interest bearing deposits with our bank totaling $30,361,591 (December 31, 2019 – $13,058,092).  The current annual interest rate earned on these deposits is 0.36% (December 31, 2019 – 1.17%).

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Cash Equivalents And Short Term Investments [Abstract]

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