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Stock-Based Awards (Narrative) (Details) - shares	12 Months Ended
	Dec. 28, 2019	Apr. 17, 2017
Stock-Based Compensation
Shares available for issuance	1,101,572
Shares authorized for issuance	13,805,566
Automatic annual increase in shares authorized, subject to adjustment for corporate actions	1,200,000
Rate of vesting of options granted	25.00%
Vesting period of options granted, in years	4 years
Expiration of vested options, period from date of grant	10 years
Series A Preferred Stock
Stock-Based Compensation
Shares available for issuance		1,000,000

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- Definition

Automatic annual increase in shares authorized, subject to adjustment for corporate actions.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Expiration Period From Date of Grant

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Share based compensation arrangement by share based payment award rate of vesting of options granted.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Number of shares authorized for issuance under share-based payment arrangement.

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-Publisher FASB
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-Topic 718
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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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