Capital Stock (Tables)

12 Months Ended

Jan. 31, 2019

Equity [Abstract]

Schedule of Ordinary Shares Reserved for Future Issuance

As of January 31, 2019 and 2018, the following ordinary shares were reserved for future issuance:

	As of January 31,
	2019		2018
Shares reserved for options, restricted stock and restricted stock units		5,915,654		5,561,653
Shares reserved for employee stock purchase plan		1,833,574		1,561,841