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Cash, Cash Equivalents and Marketable Securities | 9 Months Ended
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Sep. 30, 2023
Cash, Cash Equivalents and Marketable Securities |
Cash, Cash Equivalents and Marketable Securities | 4. Cash, Cash Equivalents and Marketable Securities The following table provides details regarding the Company’s portfolio of cash and cash equivalents: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Cost or | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | Amortized cost |  | Unrealized gains |  | Unrealized losses |  | Fair value
September 30, 2023: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Cash accounts in banking institutions | ​ | $ | 5,234 | ​ | $ | - | ​ | $ | - | ​ | $ | 5,234
Money market funds | ​ | ​ | 27,347 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 27,347
Commercial paper | ​ | ​ | 998 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 998
Total | ​ | $ | 33,579 | ​ | $ | - | ​ | $ | - | ​ | $ | 33,579
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Cash accounts in banking institutions | ​ | $ | 7,532 | ​ | $ | - | ​ | $ | - | ​ | $ | 7,532
Money market funds | ​ | ​ | 24,578 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 24,578
Commercial paper | ​ | ​ | 2,491 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,491
Total | ​ | $ | 34,601 | ​ | $ | - | ​ | $ | - | ​ | $ | 34,601
​ The following table provides details regarding the Company’s portfolio of marketable securities: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | Amortized cost |  | Unrealized gains |  | Unrealized losses |  | Fair value
September 30, 2023: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Certificates of deposit | ​ | $ | 8,914 | ​ | $ | 2 | ​ | $ | (4) | ​ | $ | 8,912
Commercial paper | ​ | ​ | 44,836 | ​ | ​ | - | ​ | ​ | (18) | ​ | ​ | 44,818
Corporate debt securities | ​ | ​ | 20,064 | ​ | ​ | 1 | ​ | ​ | (31) | ​ | ​ | 20,034
U.S. government securities | ​ | ​ | 17,589 | ​ | ​ | - | ​ | ​ | (126) | ​ | ​ | 17,463
U.S. government agency securities | ​ | ​ | 7,990 | ​ | ​ | - | ​ | ​ | (16) | ​ | ​ | 7,974
Total | ​ | $ | 99,393 | ​ | $ | 3 | ​ | $ | (195) | ​ | $ | 99,201
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Certificates of deposit | ​ | $ | 28,197 | ​ | $ | 6 | ​ | $ | (92) | ​ | $ | 28,111
Commercial paper | ​ | ​ | 58,572 | ​ | ​ | 12 | ​ | ​ | (72) | ​ | ​ | 58,512
Corporate debt securities | ​ | ​ | 67,206 | ​ | ​ | 1 | ​ | ​ | (786) | ​ | ​ | 66,421
U.S. government securities | ​ | ​ | 2,000 | ​ | ​ | - | ​ | ​ | (35) | ​ | ​ | 1,965
Total | ​ | $ | 155,975 | ​ | $ | 19 | ​ | $ | (985) | ​ | $ | 155,009
​ ​ ​ The contractual maturities of the Company’s marketable securities as of September 30, 2023, are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) | ​ | Amortized Cost | ​ | Fair Value
Due within one year | ​ | $ | 92,072 | ​ | $ | 91,982
Due after one year through five years | ​ | ​ | 7,321 | ​ | ​ | 7,219
Total | ​ | $ | 99,393 | ​ | $ | 99,201
​

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
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