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Concentration of Risk - Schedule of Significant Customers Accounting for at Least 10% of Net Sales During Period (Details)			3 Months Ended
	May 02, 2021	Jan. 31, 2021	May 02, 2021	Apr. 26, 2020
Concentration Risk [Line Items]
Concentration risk, percentage			100.00%	100.00%
Net sales
Concentration Risk [Line Items]
Concentration risk, percentage			100.00%	100.00%
Customer Concentration Risk | Net sales | Trend-tek Technology Ltd. (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage			16.00%	15.00%
Customer Concentration Risk | Net sales | Frontek Technology Corporation (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage			19.00%	12.00%
Customer Concentration Risk | Net sales | CEAC International Limited
Concentration Risk [Line Items]
Concentration risk, percentage			10.00%	12.00%
Customer Concentration Risk | Net sales | Arrow Electronics (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage			11.00%	9.00%
Customer Concentration Risk | Net sales | Premier Technical Sales Korea, Inc. (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage			7.00%	9.00%
Customer Concentration Risk | Net sales | Samsung Electronics (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage			1.00%	2.00%
Customer Concentration Risk | Accounts Receivable | Trend-tek Technology Ltd. (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%	14.00%
Customer Concentration Risk | Accounts Receivable | Frontek Technology Corporation (and affiliates)
Concentration Risk [Line Items]
Concentration risk, percentage	17.00%	10.00%
Customer Concentration Risk | Accounts Receivable | CEAC International Limited
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	14.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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