Net Income (Loss) Per Ordinary Share (Tables)

12 Months Ended

Jan. 31, 2020

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income (Loss) Per Ordinary Share

The following table sets forth the computation of basic and diluted net income (loss) per ordinary share for the periods indicated:

	Year Ended January 31,
	2020			2019			2018
	(in thousands, except share and per share data)
Numerator:
Net income (loss)	$	(44,792	)	$	(30,447	)	$	18,852
Denominator:
Weighted-average ordinary shares - basic		33,083,562			32,713,606			33,224,803
Effect of dilutive securities:
Employee stock options		—			—			961,797
Restricted stock and restricted stock units		—			—			390,145
Employee stock purchase plan		—			—			6,405
Weighted-average ordinary shares - diluted		33,083,562			32,713,606			34,583,150
Net income (loss) per ordinary share:
Basic	$	(1.35	)	$	(0.93	)	$	0.57
Diluted	$	(1.35	)	$	(0.93	)	$	0.55

Weighted-Average Potentially Dilutive Securities Excluded from Computation of Diluted Net Income (Loss) Per Ordinary Share

The following weighted-average potentially dilutive securities were excluded from the computation of diluted net income (loss) per ordinary share as their effect would have been antidilutive:

	Year Ended January 31,
	2020		2019		2018
Options to purchase ordinary shares		913,678		1,190,607		280,907
Restricted stock and restricted stock units		1,139,269		1,522,903		907,208
Employee stock purchase plan		8,530		26,831		15,506
		2,061,477		2,740,341		1,203,621