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Fair value measurements (Tables)
9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of assets and liabilities measured and carried at fair value
The following table presents information about the Company's assets and liabilities regularly measured and carried at a fair value and indicates the level within fair value hierarchy of the valuation techniques utilized to determine such value as of December 31, 2019. The Company had no marketable securities as of September 30, 2020:
Fair
Value
Quoted Prices
in Active
Markets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
December 31, 2019
Marketable securities:
Commercial paper$11,940 $— $11,940 $— 
Corporate bonds12,010 — 12,010 — 
U.S. Treasuries13,489 13,489 — — 
$37,439 $13,489 $23,950 $—