Note 4 – Cash, Cash Equivalents, Restricted Cash and Marketable Debt Securities

The Company considers all highly liquid financial instruments with original maturities of three months or less when purchased to be cash and cash equivalents and all investments with maturities of greater than three months from date of purchase are classified as marketable debt securities. Cash and cash equivalents consisted of cash in bank checking and savings accounts, money market funds and short-term U.S. treasury bonds that mature within three months of settlement date.

Cash, Cash Equivalents and Restricted Cash

The Company presents restricted cash with cash and cash equivalents in the Consolidated Statements of Cash Flows. Restricted cash at each of December 31, 2022 and 2021 of $250 represents funds the Company is required to set aside as collateral, primarily for one of the Company’s operating leases and other purposes.

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported in the Consolidated Balance Sheets to the total of the amounts in the Consolidated Statements of Cash Flows as of December 31, 2022, December 31, 2021 and December 31, 2020:

 Schedule of Cash, Cash Equivalents and Restricted Cash

Marketable Debt Securities

The Company has classified its investments in marketable debt securities as available-for-sale and as a current asset. The Company’s investments in marketable debt securities are carried at fair value, with unrealized gains and losses included as a separate component of stockholders’ equity. Unrealized losses and gains are classified as other comprehensive (loss)/income and costs are determined on a specific identification basis. Realized gains and losses from marketable debt securities are recorded in other income, net. For the years ended December 31, 2022 and 2021, the Company recorded unrealized losses of $679 and $374, respectively. As of December 31, 2022 and 2021, the Company had net accumulated unrealized losses of $824 and $145, respectively.

The Company’s marketable debt securities for the year ended December 31, 2022 consisted of the following:

 Schedule of Marketable Securities

Maturities of debt securities classified as available-for-sale were as follows at December 31, 2022:

 Schedule of Maturities of Debt Securities Available-for-sale

The Company’s marketable debt securities for the year ended December 31, 2021 consisted of the following:

Maturities of debt securities classified as available-for-sale were as follows at December 31, 2021:

The Company determined that the unrealized (losses) and gains are temporary as of December 31, 2022 and 2021. Unrealized (losses) and gains generally are the result of increases in the risk premiums required by market participants rather than an adverse change in cash flows for a fundamental weakness in the credit quality of the issuer or underlying assets.