CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Balance at Jan. 01, 2021	$ 197,222	$ 464	$ 338,194	$ (5,545)	$ (135,891)
Balance (in shares) at Jan. 01, 2021		46,448
Net income	4,992				4,992
Other comprehensive income	2,088			2,088
Common stock issued upon exercise of options	6,234	$ 4	6,230
Common stock issued upon exercise of options (in shares)		376
Stock-based compensation	3,639		3,639
Vested restricted stock	1	$ 1
Vested restricted stock (in shares)		33
Balance at Apr. 02, 2021	214,176	$ 469	348,063	(3,457)	(130,899)
Balance (in shares) at Apr. 02, 2021		46,857
Balance at Dec. 31, 2021	258,558	$ 477	373,519	(4,048)	(111,390)
Balance (in shares) at Dec. 31, 2021		47,716
Net income	9,602				9,602
Other comprehensive income	2,985			2,985
Common stock issued upon exercise of options	$ 912	$ 1	911
Common stock issued upon exercise of options (in shares)	49	49
Stock-based compensation	$ 4,260		4,260
Vested restricted and performance stock (in shares)		45
Balance at Apr. 01, 2022	$ 276,317	$ 478	$ 378,690	$ (1,063)	$ (101,788)
Balance (in shares) at Apr. 01, 2022		47,810