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	13,559				13,559
Other comprehensive income (loss)	1,709			1,709
Common stock issued upon exercise of options	14,110	$ 9	14,101
Common stock issued upon exercise of options (in shares)		906
Stock-based compensation	$ 8,021		8,021
Unvested restricted stock (in shares)	3	3
Vested restricted stock	$ 1	$ 1
Vested restricted stock (in shares)		34
Balance at Jul. 02, 2021	234,622	$ 474	360,316	(3,836)	(122,332)
Balance (in shares) at Jul. 02, 2021		47,391
Balance at Apr. 02, 2021	214,176	$ 469	348,063	(3,457)	(130,899)
Balance (in shares) at Apr. 02, 2021		46,857
Net income	8,567				8,567
Other comprehensive income (loss)	(379)			(379)
Common stock issued upon exercise of options	7,876	$ 5	7,871
Common stock issued upon exercise of options (in shares)		530
Stock-based compensation	$ 4,382		4,382
Unvested restricted stock (in shares)	3	3
Vested restricted stock (in shares)		1
Balance at Jul. 02, 2021	$ 234,622	$ 474	360,316	(3,836)	(122,332)
Balance (in shares) at Jul. 02, 2021		47,391
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	22,640				22,640
Other comprehensive income (loss)	4,297			4,297
Common stock issued upon exercise of options	$ 3,146	$ 3	3,143
Common stock issued upon exercise of options (in shares)	251	251
Stock-based compensation	$ 10,666		10,666
Unvested restricted stock (in shares)	4	7
Vested restricted and performance stock (in shares)		50
Balance at Jul. 01, 2022	$ 299,307	$ 480	387,328	249	(88,750)
Balance (in shares) at Jul. 01, 2022		48,024
Balance at Apr. 01, 2022	276,317	$ 478	378,690	(1,063)	(101,788)
Balance (in shares) at Apr. 01, 2022		47,810
Net income	13,038				13,038
Other comprehensive income (loss)	1,312			1,312
Common stock issued upon exercise of options	2,234	$ 2	2,232
Common stock issued upon exercise of options (in shares)		202
Stock-based compensation	$ 6,406		6,406
Unvested restricted stock (in shares)	4	7
Vested restricted and performance stock (in shares)		5
Balance at Jul. 01, 2022	$ 299,307	$ 480	$ 387,328	$ 249	$ (88,750)
Balance (in shares) at Jul. 01, 2022		48,024