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Component: (Network and Table)
Network
100610 - Disclosure - Income Taxes - Schedule of Income Tax Provision (Detail)
(http://www.ambarella.com/20170131/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001280263 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-02-01 - 2017-01-31
2015-02-01 - 2016-01-31
2014-02-01 - 2015-01-31
Income Tax Disclosure [Abstract]
 
 
 
Current:
 
 
 
U.S. federal tax
818,000  
5,273,000  
3,135,000  
U.S. state taxes
(212,000) 
541,000  
93,000  
Non-U.S. foreign taxes
1,454,000  
1,874,000  
1,348,000  
Current income tax provision
2,060,000  
 
7,688,000  
 
4,576,000  
 
Deferred:
 
 
 
U.S. federal tax
1,174,000  
1,050,000  
(3,208,000) 
U.S. state taxes
0  
0  
0  
Non-U.S. foreign taxes
(163,000) 
(37,000) 
97,000  
Deferred income tax provision
1,011,000  
 
1,013,000  
 
(3,111,000) 
 
Provision for income taxes
3,071,000  
 
8,701,000  
 
1,465,000