XML 40 R11.htm IDEA: XBRL DOCUMENT
v3.20.4

Cash and Cash Equivalents and Marketable Securities | 12 Months Ended
--- | ---
Dec. 31, 2020
Investments Debt And Equity Securities [Abstract] |
Cash and Cash Equivalents and Marketable Securities | 4. Cash and Cash Equivalents and Marketable Securities As of December 31, 2020, cash and cash equivalents and marketable securities were comprised of the following:
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
|  | (in thousands) |
As at December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds included in cash and cash equivalents |  | $ | 2,455 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,455 |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury notes |  |  | 7,526 |  |  |  | — |  |  |  | — |  |  |  | 7,526 |
Total |  | $ | 9,981 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,981 |
The amortized cost of marketable securities at December 31, 2020 is equal to their fair value due to the Company investing in marketable securities at the end of year. Accordingly, no unrealized gains or losses were recognized in the year ended December 31, 2020. As of December 31, 2019, the Company did not hold any money market funds or marketable securities.

X
- 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 http://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_CashCashEquivalentsAndMarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration