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Short-Term Investments | 3 Months Ended
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Mar. 31, 2022
Investments Debt And Equity Securities [Abstract] |
Short-Term Investments | NOTE 3 - SHORT-TERM INVESTMENTS The Company’s short-term investments by significant investment category as of March 31, 2022, are as follows:
Description |  | Amortized Cost |  |  |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  |  |  | Accrued Interest |  |  | Estimated Fair Value |
Level 1: (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash alternatives |  | $ | 2,562,408 |  |  |  |  | $ | - |  |  | $ | - |  |  |  |  | $ | - |  |  | $ | 2,562,408 |
Certificates of deposit |  |  | 579,176 |  |  |  |  |  | - |  |  |  | 4,679 |  |  |  |  |  | 795 |  |  |  | 575,292 |
Corporate bonds and notes |  |  | 3,172,170 |  |  |  |  |  | - |  |  |  | 7,450 |  |  |  |  |  | 23,685 |  |  |  | 3,188,405 |
Municipal Securities |  |  | 7,172,218 |  |  |  |  |  | - |  |  |  | 4,927 |  |  |  |  |  | 47,014 |  |  |  | 7,214,305 |
|  | $ | 13,485,972 |  |  |  |  | $ | - |  |  | $ | 17,056 |  |  |  |  | $ | 71,494 |  |  | $ | 13,540,410 |
The Company’s short-term investments by significant investment category as of December 31, 2021, are as follows:
Description |  | Amortized Cost |  |  |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  |  |  | Accrued Interest |  |  | Estimated Fair Value |
Level 1: (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash alternatives |  | $ | 2,172,853 |  |  |  |  | $ | - |  |  | $ | - |  |  |  |  | $ | - |  |  | $ | 2,172,853 |
Certificates of deposit |  |  | 591,968 |  |  |  |  |  | - |  |  |  | 3,294 |  |  |  |  |  | 1,222 |  |  |  | 589,896 |
Corporate bonds and notes |  |  | 4,293,722 |  |  |  |  |  | - |  |  |  | 5,432 |  |  |  |  |  | 46,820 |  |  |  | 4,335,110 |
Municipal Securities |  |  | 7,411,043 |  |  |  |  |  | - |  |  |  | 2,334 |  |  |  |  |  | 29,182 |  |  |  | 7,437,891 |
|  | $ | 14,469,586 |  |  |  |  | $ | - |  |  | $ | 11,060 |  |  |  |  | $ | 77,224 |  |  | $ | 14,535,750 |
| (1) | Level 1 fair value estimates are based on quoted prices in active markets for identical assets or liabilities.
Cash alternatives represents cash balances in savings accounts that are temporarily on-hand that are immediately available for investments in accordance with the Company’s investment policy. The Company typically invests in highly rated securities and its investment policy limits the amount of credit exposure to any one issuer. The policy requires investments in fixed income instruments denominated and payable in U.S. dollars only and requires investments to be investment grade, with a primary objective of minimizing the potential risk of principal loss.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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