XML 29 R19.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value of Financial Instruments (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Fair Value Disclosures [Abstract] |
Schedule of Estimated Fair Values of Financial Instruments Outstanding | The estimated fair values of financial instruments outstanding were (in thousands):
|  | June 30, 2021 |
|  |  |  |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
Cash and cash equivalents |  | $ | 13,475 |  |  | $ | — |  |  | $ | — |  |  | $ | 13,475 |
Short-term investments |  |  | 6,094 |  |  |  | — |  |  |  | (3 | ) |  |  | 6,091 |
Long-term investments |  |  | 3,485 |  |  |  | — |  |  |  | (1 | ) |  |  | 3,484 |
|  | $ | 23,054 |  |  | $ | — |  |  | $ | (4 | ) |  | $ | 23,050 |
|  | December 31, 2020 |
|  |  |  |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
Cash and cash equivalents |  | $ | 5,889 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,889 |
Schedule of Fair Value Hierarchy for Financial Assets (Cash Equivalents and Investments) | The following table represents the Company’s fair value hierarchy for its financial assets (cash equivalents and investments) (in thousands):
|  | June 30, 2021 |
|  | Fair Value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Money market funds |  | $ | 8,246 |  |  | $ | 8,246 |  |  | $ | — |  |  | $ | — |
Corporate notes and commercial paper (1) |  | $ | 11,625 |  |  | $ | — |  |  | $ | 11,625 |  |  | $ | — |
|  | $ | 19,871 |  |  | $ | 8,246 |  |  | $ | 11,625 |  |  | $ | — |
|  | December 31, 2020 |
|  | Fair Value |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Money market funds |  | $ | 3,893 |  |  | $ | 3,893 |  |  | $ | — |  |  | $ | — |
(1) Includes $2.0 million in cash and cash equivalents on the accompanying condensed consolidated balance sheet due to original maturities of less than three months. There were no transfers in or out of Level 1 and Level 2 securities during the six months ended June 30, 2021 or 2020.

X
- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the summary of investment holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010 + Details
Name: | us-gaap_SummaryInvestmentHoldingsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration