Fair Value Measurements (Tables)

3 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

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 June 30, 2016 and March 31, 2016 based on the three-tier fair value hierarchy (in thousands):

	Fair Value Measurements as of
	June 30, 2016
	Level 1		Level 2		Level 3		Total
Description:
Money market funds	$	39,000	$	—	$	—	$	39,000
Certificates of deposit		—		3,400		—		3,400
Commerical paper		—		23,868		—		23,868
Corporate notes and bonds		—		15,550		—		15,550
U.S. treasury securities		2,300		—		—		2,300
U.S. government agencies		—		77,651		—		77,651
Restricted cash - money market funds		8,115		—		—		8,115
Total	$	49,415	$	120,469	$	—	$	169,884
Included in cash and cash equivalents							$	47,295
Included in short-term investments							$	114,474
Included in restricted cash							$	8,115
	Fair Value Measurements as of
	March 31, 2016
	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	36,118	$	—	$	—	$	36,118
Corporate notes and bonds		—		15,933		—		15,933
U.S. treasury securities		2,297		—		—		2,297
U.S. government agencies		—		107,184		—		107,184
Restricted cash - money market funds		8,115		—		—		8,115
Total	$	46,530	$	123,117	$	—	$	169,647
Included in cash and cash equivalents							$	36,118
Included in short-term investments							$	125,414
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 June 30, 2016 and March 31, 2016 (in thousands):

	June 30, 2016		March 31, 2016
Due in one year	$	102,629	$	103,822
Due in one to two years		11,845		21,592
Total	$	114,474	$	125,414