Restatement of Previously Issued Consolidated Financial Statement - Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Cash flows from operating activities:
Net income/(loss)	$ 1,280	$ 2,139
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization	2,280	2,288
Transactional gains	893	(1,434)
Provision for inventories and accounts receivable	1,307	1,210
Deferred income taxes	(2,847)	(457)
Stock-based compensation	1,192	1,838
Other	25	82
Changes in assets and liabilities:
Trade receivables	9,555	3,384
Inventories	(26,662)	(15,687)
Other current assets	1,014	(5,090)
Accounts payable	(2,869)	1,082
Accrued liabilities	4,150	2,817
Accrued payroll and benefits	992	(1,257)
Income taxes receivable	2,720	4,714
Income taxes payable	(550)	(13,785)
Other non-current assets	290	95
Other non-current liabilities	16	(13)
Net cash used in operating activities	$ (7,214)	(18,074)
As Previously Reported
Cash flows from operating activities:
Net income/(loss)		3,063
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization		2,288
Transactional gains		(1,434)
Provision for inventories and accounts receivable		1,210
Deferred income taxes		(457)
Stock-based compensation		1,838
Other		82
Changes in assets and liabilities:
Trade receivables		1,094
Inventories		(15,990)
Other current assets		(5,090)
Accounts payable		1,082
Accrued liabilities		3,067
Accrued payroll and benefits		(107)
Income taxes receivable		4,462
Income taxes payable		(13,264)
Other non-current assets		95
Other non-current liabilities		(13)
Net cash used in operating activities		(18,074)
Adjustment
Cash flows from operating activities:
Net income/(loss)		(924)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization		0
Transactional gains		0
Provision for inventories and accounts receivable		0
Deferred income taxes		0
Stock-based compensation		0
Other		0
Changes in assets and liabilities:
Trade receivables		2,290
Inventories		303
Other current assets		0
Accounts payable		0
Accrued liabilities		(250)
Accrued payroll and benefits		(1,150)
Income taxes receivable		252
Income taxes payable		(521)
Other non-current assets		0
Other non-current liabilities		0
Net cash used in operating activities		$ 0