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Selected Quarterly Financial Data (Unaudited)
12 Months Ended
Jan. 31, 2020
Quarterly Financial Information Disclosure [Abstract]  
Selected Quarterly Financial Information (Unaudited) Selected Quarterly Financial Data (Unaudited)
Selected summarized quarterly financial information for the fiscal years ended January 31, 2020 and 2019 was as follows:
 Three months ended
(in thousands, except per share data)
Jan. 31, 2020
Oct. 31, 2019
Jul. 31, 2019
Apr. 30, 2019
Revenue$81,378  $76,370  $72,373  $68,708  
Gross profit$60,456  $56,004  $53,104  $52,235  
Loss from operations$(30,563) $(42,833) $(30,297) $(19,260) 
Net loss$(30,577) $(42,717) $(29,291) $(18,959) 
Net loss per share attributable to common stockholders, basic and diluted$(0.27) $(0.38) $(0.26) $(0.18) 

Three months ended
(in thousands, except per share data)
Jan. 31, 2019
Oct. 31, 2018
Jul. 31, 2018
Apr. 30, 2018
Revenue$63,759  $58,613  $54,923  $50,988  
Gross profit$48,118  $43,727  $40,837  $38,188  
Loss from operations$(16,223) $(23,012) $(19,504) $(16,906) 
Net loss$(15,460) $(22,940) $(19,396) $(17,041) 
Net loss per share attributable to common stockholders, basic and diluted$(0.15) $(0.23) $(0.20) $(0.18)