Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurement

The following tables represent the financial instruments measured at fair value on a recurring basis in the financial statements of the Company and the valuation approach applied to each class of financial instruments at June 30, 2021 and December 31, 2020 (in thousands):

	June 30, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Cash equivalents:
Money market funds	$	27,314	$	—	$	—	$	27,314
Corporate notes and bonds	—		894		—		894
Total cash equivalents	27,314		894		—		28,208
Equity investments:
Mutual funds	593		—		—		593
Total equity investments	593		—		—		593
Debt securities available-for-sale:
Certificates of deposit	—		2,029		—		2,029
U.S. Treasury securities	375		—		—		375
Commercial paper	—		9,996		—		9,996
Corporate notes and bonds	—		11,258		—		11,258
Total debt securities available-for-sale	375		23,283		—		23,658
Total assets measured at fair value	$	28,282	$	24,177	$	—	$	52,459

	December 31, 2020
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Cash equivalents:
Money market funds	$	19,276	$	—	$	—	$	19,276
Commercial paper	—		885		—		885
Total cash equivalents	19,276		885		—		20,161
Equity investments:
Mutual funds	357		—		—		357
Total equity investments	357		—		—		357
Debt securities available-for-sale:
Certificates of deposit	—		5,825		—		5,825
U.S. Treasury securities	5,923		—		—		5,923
Commercial paper	—		10,604		—		10,604
Corporate notes and bonds	—		9,779		—		9,779
Total debt securities available-for-sale	5,923		26,208		—		32,131
Total assets measured at fair value	$	25,556	$	27,093	$	—	$	52,649