Fair Value Measurements (Tables)

3 Months Ended

Apr. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Hierarchy for Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis as of April 30, 2017:

	Total		Level 1		Level 2		Level 3
Assets:
Money market funds	$	10,071	$	10,071	$	—	$	—

The following table summarizes the Company’s fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis as of January 31, 2017:

	Total		Level 1		Level 2		Level 3
Assets:
Money market funds	$	10,058	$	10,058	$	—	$	—