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Marketable Securities (Schedule of Marketable Securities) (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Amortized cost	$ 103,519,232	$ 101,813,882
Unrealized Gains	48	82
Unrealized Losses	(154,125)	(40,183)
Market Value	103,365,156	101,773,781
Government Bonds [Member]
Marketable Securities [Line Items]
Amortized cost	37,488,888	28,453,161
Unrealized Gains	33	82
Unrealized Losses	(86,090)	(18,255)
Market Value	37,402,831	28,434,988
Corporate Bonds [Member]
Marketable Securities [Line Items]
Amortized cost	26,549,151	29,874,696
Unrealized Gains	15
Unrealized Losses	(68,035)	(21,928)
Market Value	26,481,132	29,852,768
Commercial Paper [Member]
Marketable Securities [Line Items]
Amortized cost	39,481,194	43,486,025
Unrealized Gains
Unrealized Losses
Market Value	$ 39,481,194	$ 43,486,025

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Marketable Securities, Amortized Cost

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- Definition

Amount of investment in marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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