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. 03, 2020	$ 159,884	$ 448	$ 304,288	$ (3,048)	$ (141,804)
Balance (in shares) at Jan. 03, 2020		44,822
Net income	5,913				5,913
Other comprehensive income (loss)	(2,497)			(2,497)
Common stock issued upon exercise of options	20,646	$ 15	20,631
Common stock issued upon exercise of options (in shares)		1,507
Stock-based compensation	$ 13,275		13,275
Unvested restricted stock (in shares)	(11)	11
Vested restricted stock	$ 1	$ 1
Vested restricted stock (in shares)		108
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	24,501				24,501
Other comprehensive income (loss)	1,497			1,497
Common stock issued upon exercise of options	19,437	$ 12	19,425
Common stock issued upon exercise of options (in shares)		1,206
Stock-based compensation	$ 15,900		15,900
Unvested restricted stock (in shares)	(3)	3
Vested restricted stock	$ 1	$ 1
Vested restricted stock (in shares)		59
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	38,755				38,755
Other comprehensive income (loss)	4,204			4,204
Common stock issued upon exercise of options	$ 8,422	$ 4	8,418
Common stock issued upon exercise of options (in shares)	427	427
Stock-based compensation	$ 22,252		22,252
Unvested restricted stock (in shares)	(4)	7
Vested restricted stock	$ 1	$ 1
Vested restricted stock (in shares)		62
Balance at Dec. 30, 2022	$ 332,192	$ 482	$ 404,189	$ 156	$ (72,635)
Balance (in shares) at Dec. 30, 2022		48,212