Property and Equipment - Narrative (Details) $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended		9 Months Ended	12 Months Ended	61 Months Ended
	Oct. 31, 2019 USD ($) asset	Jul. 31, 2018 USD ($)	Oct. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)	Jan. 31, 2020 USD ($)	Nov. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)	Apr. 30, 2021 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation and amortization			$ 346	$ 254	$ 663	$ 478
Finance lease, asset, gross			343		343					$ 343
Finance lease, depreciation and amortization			0	53	0	106
Total property and equipment			11,595		11,595					10,046
Hosting arrangement, amortization expense			40	40	81	81
Hosting arrangement, capitalized enhancements			1,400		1,400					991
Finance lease costs		$ 266						$ 231	$ 149
Assets under finance lease			0		0
Number of right of use assets acquired | asset	2
(Gain) on disposal of equipment					4	0
Finance lease, amortization			0	$ 53	$ 0	$ 106
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Useful lives					3 years
Total property and equipment			$ 484		$ 484					$ 484
Traded in Assets
Property, Plant and Equipment [Line Items]
Assets under finance lease							$ 108
Disposal of property and equipment	$ 160
(Gain) on disposal of equipment							$ 53
Minimum
Property, Plant and Equipment [Line Items]
Useful lives					3 years
Maximum
Property, Plant and Equipment [Line Items]
Useful lives					9 years