Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The following table summarizes our cash equivalents and marketable securities measured at fair value. Certain marketable

securities consist of investments in debt and equity securities. Debt securities are classified as available for sale securities. We classify our cash equivalents and marketable securities within Level 1 because we use quoted market prices models utilizing market observable inputs to determine their fair value.

The cost, gross unrealized gains (losses) and fair value of marketable securities by major security type as of December 31, 2021 were as follows:

	Cost		Unrealized Gain (Loss)		Fair Value
Cash and cash equivalents:
Cash	$	5,253,205	$	—	$	5,253,205
Cash equivalents	5,222,759		—		5,222,759
Total cash and cash equivalents	$	10,475,964	$	—	$	10,475,964
Marketable securities
Debt securities	$	905,470	$	53,737	$	959,207
Equity securities	2,100,305		(272,021)		1,828,284
Total marketable securities					2,787,491
Total cash and cash equivalents and marketable securities					$	13,263,455