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Short-Term Investments (Tables)
9 Months Ended
Sep. 30, 2023
Investments Debt And Equity Securities [Abstract]  
Summary of Short-Term Investments by Significant Investment Category

The Company’s short-term investments by significant investment category as of September 30, 2023, were as follows:

 

Description

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Accrued
Interest

 

 

Estimated
Fair Value

 

Level 1: (1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cash alternatives

 

$

2,282,709

 

 

$

10,269

 

 

$

-

 

 

$

-

 

 

$

2,292,978

 

Certificates of deposit

 

 

7,070,000

 

 

 

-

 

 

 

(6,687

)

 

 

83,005

 

 

 

7,146,318

 

 

$

9,352,709

 

 

$

10,269

 

 

$

(6,687

)

 

$

83,005

 

 

$

9,439,296

 

 

(1)
Level 1 fair value estimates are based on quoted prices in active markets for identical assets or liabilities.

 

The Company’s short-term investments by significant investment category as of December 31, 2022, were as follows:

 

Description

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Accrued
Interest

 

 

Estimated
Fair Value

 

Level 1: (1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cash alternatives

 

$

5,139,940

 

 

$

22,646

 

 

$

-

 

 

$

3,506

 

 

$

5,166,092

 

Certificates of deposit

 

 

4,950,527

 

 

 

-

 

 

 

(7,691

)

 

 

14,607

 

 

 

4,957,443

 

 

$

10,090,467

 

 

$

22,646

 

 

$

(7,691

)

 

$

18,113

 

 

$

10,123,535

 

 

(1)
Level 1 fair value estimates are based on quoted prices in active markets for identical assets or liabilities.