Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020		11,728,212
Beginning balance at Dec. 31, 2020	$ 329,334	$ 117	$ 97,090	$ 241,727	$ (9,600)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	15,118			15,118
Other comprehensive income, net of tax	490				490
Employee stock purchase plan (in shares)		31,580
Employee stock purchase plan	1,558		1,558
Stock options exercised (in shares)		31,527
Stock options exercised	1,120		1,120
Stock awards vested (in shares)		244,008
Stock awards vested	0	$ 3	(3)
Stock repurchased related to the exercise of stock options and stock awards vested (in shares)		(140,520)
Stock repurchased related to the exercise of stock options and stock awards vested	(7,892)	$ (1)	(7,891)
Stock-based compensation	5,742		5,742
Ending balance (in shares) at Jul. 03, 2021		11,894,807
Ending balance at Jul. 03, 2021	345,470	$ 119	97,616	256,845	(9,110)
Beginning balance (in shares) at Dec. 31, 2020		11,728,212
Beginning balance at Dec. 31, 2020	329,334	$ 117	97,090	241,727	(9,600)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	24,702
Ending balance (in shares) at Oct. 02, 2021		11,922,399
Ending balance at Oct. 02, 2021	358,948	$ 119	101,265	266,429	(8,865)
Beginning balance (in shares) at Jul. 03, 2021		11,894,807
Beginning balance at Jul. 03, 2021	345,470	$ 119	97,616	256,845	(9,110)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	9,584			9,584
Other comprehensive income, net of tax	245				245
Employee stock purchase plan (in shares)		24,944
Employee stock purchase plan	1,345		1,345
Stock options exercised (in shares)		8,557
Stock options exercised	280		280
Stock awards vested (in shares)		1,365
Stock repurchased related to the exercise of stock options and stock awards vested (in shares)		(7,274)
Stock repurchased related to the exercise of stock options and stock awards vested	(383)		(383)
Stock-based compensation	2,407		2,407
Ending balance (in shares) at Oct. 02, 2021		11,922,399
Ending balance at Oct. 02, 2021	$ 358,948	$ 119	101,265	266,429	(8,865)
Beginning balance (in shares) at Dec. 31, 2021	11,925,087	11,925,087
Beginning balance at Dec. 31, 2021	$ 474,602	$ 119	104,253	377,263	(7,033)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	12,246			12,246
Other comprehensive income, net of tax	7,647				7,647
Employee stock purchase plan (in shares)		31,686
Employee stock purchase plan	1,386		1,386
Stock options exercised (in shares)		81,212
Stock options exercised	2,474	$ 1	2,473
Stock awards vested (in shares)		160,349
Stock awards vested	0	$ 2	(2)
Stock repurchased related to the exercise of stock options and stock awards vested (in shares)		(130,466)
Stock repurchased related to the exercise of stock options and stock awards vested	(6,454)	$ (1)	(6,453)
Stock-based compensation	4,644		4,644
Ending balance (in shares) at Jul. 02, 2022		12,067,868
Ending balance at Jul. 02, 2022	$ 496,545	$ 121	106,301	389,509	614
Beginning balance (in shares) at Dec. 31, 2021	11,925,087	11,925,087
Beginning balance at Dec. 31, 2021	$ 474,602	$ 119	104,253	377,263	(7,033)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 20,708
Ending balance (in shares) at Oct. 01, 2022	12,102,308	12,102,308
Ending balance at Oct. 01, 2022	$ 508,787	$ 121	110,025	397,971	670
Beginning balance (in shares) at Jul. 02, 2022		12,067,868
Beginning balance at Jul. 02, 2022	496,545	$ 121	106,301	389,509	614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	8,462			8,462
Other comprehensive income, net of tax	56				56
Employee stock purchase plan (in shares)		28,007
Employee stock purchase plan	1,119		1,119
Stock options exercised (in shares)		16,551
Stock options exercised	613		613
Stock awards vested (in shares)		775
Stock repurchased related to the exercise of stock options and stock awards vested (in shares)		(10,893)
Stock repurchased related to the exercise of stock options and stock awards vested	(518)		(518)
Stock-based compensation	$ 2,510		2,510
Ending balance (in shares) at Oct. 01, 2022	12,102,308	12,102,308
Ending balance at Oct. 01, 2022	$ 508,787	$ 121	$ 110,025	$ 397,971	$ 670