Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jul. 03, 2022	Jan. 02, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable, current	$ 19	$ 62
Accumulated amortization on other assets	$ 1,131	$ 905
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	26,482,845	26,109,003
Common stock, shares outstanding	22,176,990	22,097,467
Treasury stock, shares	4,305,855	4,011,536