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Cash Equivalents
12 Months Ended
Dec. 31, 2019
Cash Equivalents And Short Term Investments [Abstract]  
Cash Equivalents
Cash Equivalents
 
Cash Equivalents
Cash equivalents consist of interest bearing deposits with our bank totaling $13,058,092 (December 31, 2018$9,977,409).  The current annual interest rate earned on these deposits is 1.17% (December 31, 20182.71%).