Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2019

Fair Value Measurements

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

	As of September 30, 2019
			Gross		Gross		Estimated Fair		Cash and cash		Short-term
	Amortized Cost		Unrealized Loss		Unrealized Gain		Value		equivalents		investments
	(In thousands)
Level 1:
Money market funds	$	4,429	$	—	$	—	$	4,429	$	4,429	$	—
Subtotal		4,429		—		—		4,429		4,429		—
Level 2:
Commercial paper		7,225		1		—		7,226		—		7,226
Corporate notes and bonds		3,314		1		—		3,315		—		3,315
US Treasuries		4,495		1		—		4,496		—		4,496
US Government agencies		4,973		1		—		4,974		—		4,974
Subtotal		20,007		4		—		20,011		—		20,011
Total	$	24,436	$	4	$	—	$	24,440	$	4,429	$	20,011

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