Fair value of financial instruments (Tables)

3 Months Ended

Sep. 30, 2020

The fair values of these financial instruments were determined using the following inputs at September 30, 2020 (in thousands):


	Fair Value Measurements at September 30, 2020 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	Total		(Level 1)		(Level 2)		(Level 3)
Cash equivalents:
Money market mutual funds	$	5,303	$	5,303	$	—	$	—





Total cash equivalents	5,303		5,303		—		—
Short-term investments:
U.S. treasury securities	1,559		1,559		—		—
U.S. agency securities	3,232		—		3,232		—
Asset-backed securities	16,951		—		16,951		—
Municipal securities	6,363		—		6,363		—


Corporate bonds	42,400		—		42,400		—
Total short-term investments	70,505		1,559		68,946		—
Cash equivalents and short-term investments	$	75,808	$	6,862	$	68,946	$	—

The fair values of our financial instruments were determined using the following inputs at June 30, 2020 (in thousands):


	Fair Value Measurements at June 30, 2020 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	Total		(Level 1)		(Level 2)		(Level 3)
Cash equivalents:
Money market mutual funds	$	195	$	195	$	—	$	—


Total cash equivalents	195		195		—		—
Short-term investments:
U.S. treasury securities	3,753		3,753		—		—
U.S. agency securities	5,058		—		5,058		—
Asset-backed securities	20,826		—		20,826		—

Municipal securities	9,542		—		9,542		—


Corporate bonds	51,136		—		51,136		—


Total short-term investments	90,315		3,753		86,562		—
Cash equivalents and short-term investments	$	90,510	$	3,948	$	86,562	$	—