Fair Value Measurements (Tables)

12 Months Ended

Mar. 31, 2020

Fair Value Measurements

Schedule of financial assets that are recorded at fair value on a recurring basis

		As of March 31, 2020
		(In thousands)
			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated Fair
	Cost		Loss		Gain		Value
Level 1:
Money market funds	$	10,576	$	(1)	$	—	$	10,575
Subtotal		10,576		(1)		—		10,575
Level 2:
Commercial paper		1,495		(1)		—		1,494
Corporate notes and bonds		6,044		(22)		—		6,022
US Treasuries		3,013		—		20		3,033
US Government agencies		1,007		—		—		1,007
Subtotal		11,559		(23)		20		11,556
Total	$	22,135	$	(24)	$	20	$	22,131

	As of March 31, 2019
	(In thousands)
			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated Fair
	Cost		Loss		Gain		Value
Level 1:
Money market funds	$	3,338	$	—	$	—	$	3,338
Subtotal		3,338		—		—		3,338
Level 2:
Commercial paper				—		—		—
Corporate notes and bonds		1,434		(1)		—		1,433
US Treasuries		502		—		—		502
Subtotal		1,936		(1)		—		1,935
Total	$	5,274	$	(1)	$	—	$	5,273