Fair Value Measurements
Items Measured at Fair Value on a recurring basis
Money Market Funds—We previously held cash in a U.S. treasury securities money market fund. The funds are classified as cash and cash equivalents on our consolidated balance sheet as of December 31, 2024 and represent Level 1 assets on the fair value hierarchy. We had no cash in money market funds as of December 31, 2025.
For assets measured at fair value, the following tables summarize the respective fair values and classifications by level of input within the fair value hierarchy as of December 31, 2025 and 2024. We had no liabilities measured at fair value as of December 31, 2025 and 2024:
December 31, 2025
(in thousands)Level 1Level 2Level 3Total
Assets
NFW investment
— — — — 
$— $— $— $— 
December 31, 2024
(in thousands)Level 1Level 2Level 3Total
Assets
Money market funds$37,000 $— $— $37,000 
NFW investment— — 200 200 
$37,000 $— $200 $37,200 
Items Measured at Fair Value on a non-recurring basis
Equity Investments—Our equity investment in NFW represents non-marketable equity securities in a privately held company that does not have a readily determinable fair value and are accounted for under the measurement alternative in ASC 321. In the fourth quarter of 2024, we recorded an impairment charge of $1.8 million in the consolidated statements of operations and comprehensive loss for the year ended December 31, 2024. In the third quarter of 2025, we recorded an impairment charge of $0.2 million in the consolidated statements of operations and comprehensive loss for the year ended December 31, 2025.
There was no carrying values of our investment as of December 31, 2025. The carrying value of our investment was $0.2 million as of December 31, 2024.
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Historical Timeline

Fiscal YearFiled
2025Mar 31, 2026Showing above
2024Mar 12, 2025
2023Mar 13, 2024
2022Mar 10, 2023
2021Mar 16, 2022

About Fair Value Disclosures

Fair value disclosures classify all assets and liabilities measured at fair value into a three-level hierarchy: Level 1 (quoted market prices), Level 2 (observable inputs like yield curves), and Level 3 (unobservable inputs requiring management estimates). The proportion of Level 3 assets directly reflects how much of the balance sheet depends on internal models rather than market evidence.

Key signals: a growing Level 3 balance relative to total fair-value assets increases valuation uncertainty and earnings volatility risk. Watch for transfers between levels — assets moving from Level 2 to Level 3 often signal deteriorating market liquidity. Unrealized gains and losses on Level 3 positions flow through earnings or other comprehensive income, so large swings deserve scrutiny. For financial institutions, examine the sensitivity disclosures that show how Level 3 valuations change under alternative assumptions. Compare the fair value of debt against its carrying amount to gauge hidden leverage.