Computation of Basic and Diluted Net Loss Per Share - Reconciliation of Numerator and Denominator of Basic and Diluted Net Loss Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Numerator:
Net loss	$ (994)	$ (2,679)	$ (2,680)	$ (6,143)
Denominator:
Weighted average shares of common stock (basic)	16,793	16,287	16,760	16,270
Weighted average shares of common stock (diluted)	16,793	16,287	16,760	16,270
Per share data:
Basic net loss per share	$ (0.06)	$ (0.16)	$ (0.16)	$ (0.38)
Diluted net loss per share	$ (0.06)	$ (0.16)	$ (0.16)	$ (0.38)