Represents the number of consecutive trailing periods under share-based payment arrangement.

No definition available.

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- Definition

Percentage of vesting of award under share-based payment arrangement based on market conditions.

+ 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

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 1 - Basis of Presentation and Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)
Goodwill, Impairment Loss		$ 0	$ 0
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights, Number Of Consecutive Trailing Periods	2
Number of Operating Segments	1
Performance Shares [Member] \| TSR Relative To PHLX Semiconductor Sector Index, 25th Percentile [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions	0.00%
Performance Shares [Member] \| TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions	100.00%
Minimum [Member] \| Performance Shares [Member] \| TSR Relative To PHLX Semiconductor Sector Index, 25th Percentile [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions	0.00%
Minimum [Member] \| Performance Shares [Member] \| TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions	200.00%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period (Year)	3 years
Maximum [Member] \| Performance Shares [Member] \| TSR Relative To PHLX Semiconductor Sector Index, 75th Percentile [Member] \| Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage, Based on Market Conditions	250.00%
Production Equipment and Software [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Production Equipment and Software [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Tools, Dies and Molds [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	1 year
Tools, Dies and Molds [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Accounts Receivable [Member] \| Weikeng Group [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	47.00%	38.00%
Accounts Receivable [Member] \| Arrow Electronics Inc [Member] \| Customer Concentration Risk [Member]
Concentration Risk, Percentage	45.00%	40.00%