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Note 8 - Stock-based Compensation (Tables)

6 Months Ended

Jul. 03, 2022

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended								Six Months Ended
		July 3, 2022				July 4, 2021				July 3, 2022				July 4, 2021
Cost of revenue		$	117			$	18			$	173			$	54
Research and development			91				82				176				239
Selling, general and administrative			269				102				511				277
Total		$	477			$	202			$	860			$	570

Share-Based Payment Arrangement, Activity [Table Text Block]

	Shares Available for Grants
Balance at January 2, 2022		594
Authorized		908
RSUs granted		(99	)
RSUs forfeited or expired		18
Balance at July 3, 2022		1,421

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

						Weighted				Weighted
						Average				Average				Aggregate
		Number of				Exercise				Remaining				Intrinsic
		Shares				Price				Term				Value
		(in thousands)								(in years)				(in thousands)
Balance outstanding at January 2, 2022			93			$	27.49
Expired			(9	)		$	48.03
Balance outstanding at July 3, 2022			84			$	25.42				2.94			$	—
Exercisable at July 3, 2022			84			$	25.42				2.94			$	—
Vested and expected to vest at July 3, 2022			84			$	25.42				2.94			$	—

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	RSUs & PRSUs Outstanding
				Weighted
				Average
	Number of			Grant Date
	Shares			Fair Value
	(in thousands)
Nonvested at January 2, 2022		568		$	5.86
Granted		99			5.51
Vested		(229	)		5.95
Forfeited		(22	)		5.09
Nonvested at July 3, 2022		416		$	5.78

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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