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Nature of Operations, Segment Reporting and Geographical Information - Summary of Selected Financial Information by Geographic Area (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 136,657	$ 113,401	$ 98,448
Long-Lived Assets	40,054	43,385
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	83,668	69,795	69,850
Long-Lived Assets	36,750	39,432
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	31,574	29,948	18,848
Long-Lived Assets	3,223	3,808
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	8,207	3,808	1,664
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	6,692	5,373	5,008
Long-Lived Assets	81	145
Central and South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	4,147	3,402	3,053
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 2,369	$ 1,075	$ 25

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
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