v3.21.2

STOCK-BASED COMPENSATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020	Jun. 28, 2015
Stock-based compensation
Stock-based compensation expense	$ 320	$ 111	$ 638	$ 248
Stock Options
Stock-based compensation
Stock-based compensation expense	94	44	183	125
Restricted Stock
Stock-based compensation
Stock-based compensation expense	$ 226	$ 67	$ 455	$ 123
Employees and Directors | Stock Options
Stock-based compensation
Expiration period			10 years
Employees and Directors | Minimum | Stock Options
Stock-based compensation
Vesting period			2 years
Employees and Directors | Maximum | Stock Options
Stock-based compensation
Vesting period			5 years
2015 Plan
Stock-based compensation
Shares authorized for issuance					2,000,000
Shares available for grant	685,324		685,324
2005 Plan
Stock-based compensation
Shares available for grant	0		0

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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