Fair Value Measurements (Tables)

9 Months Ended

Dec. 31, 2017

Information about Financial Assets Measured at Fair Value on Recurring Basis

The following tables present information about the Company’s financial assets measured at fair value on a recurring basis as of December 31, 2017 and March 31, 2017 based on the three-tier fair value hierarchy (in thousands):



	Fair Value Measurements as of December 31, 2017
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Money market funds	$	42,280	$	—	$	—	$	42,280
Commercial paper	—		6,486		—		6,486
U.S. treasury securities	2,997		—		—		2,997
U.S. government agencies	—		3,925		—		3,925
Short-term investments:
Certificates of deposit	—		25,601		—		25,601
Commercial paper	—		12,648		—		12,648
Corporate notes and bonds	—		15,837		—		15,837
U.S. treasury securities	18,937		—		—		18,937
U.S. government agencies	—		34,776		—		34,776
Restricted cash:
Money market funds	8,202		—		—		8,202
Total	$	72,416	$	99,273	$	—	$	171,689
Included in cash and cash equivalents							$	55,688
Included in short-term investments							$	107,799
Included in restricted cash							$	8,202

	Fair Value Measurements as of March 31, 2017
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Money market funds	$	36,180	$	—	$	—	$	36,180
Commercial paper	—		5,441		—		5,441
U.S. government agencies	—		2,600		—		2,600
Short-term investments:
Certificates of deposit	—		28,210		—		28,210
Commercial paper	—		10,549		—		10,549
Corporate notes and bonds	—		17,378		—		17,378
U.S. treasury securities	11,276		—		—		11,276
U.S. government agencies	—		50,688		—		50,688
Restricted cash:
Money market funds	8,115		—		—		8,115
Total	$	55,571	$	114,866	$	—	$	170,437
Included in cash and cash equivalents							$	44,221
Included in short-term investments							$	118,101
Included in restricted cash							$	8,115

Classification of Available-for-Sale Short-Term Investments by Contractual Maturities

The following table classifies the Company’s available-for-sale short-term investments by contractual maturities as of December 31, 2017 and March 31, 2017 (in thousands):



	December 31, 2017		March 31, 2017
Due within one year	$	92,163	$	92,874
Due in one to two years	15,636		25,227
Total	$	107,799	$	118,101