Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Total
Beginning balance (shares) at Dec. 30, 2020	36,423,505
Beginning balance at Dec. 30, 2020	$ 364	$ 339,561	$ (61,514)	$ (833)	$ 277,578
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		2,936			2,936
Issuance of common stock related to restricted shares	$ 2	(2)
Issuance of common stock related to restricted shares (shares)	206,098
Issuance of common stock upon exercise of stock options, net	$ 1	865			866
Issuance of common stock upon exercise of stock options, net (shares)	132,760
Shares repurchased for employee tax withholdings		(705)			(705)
Shares repurchased for employee tax withholdings (shares)	(40,384)
Forfeiture of common stock related to restricted shares	$ (1)	1
Forfeiture of common stock related to restricted shares (shares)	(50,532)
Other comprehensive income, net of tax				300	300
Net income			22,943		22,943
Ending balance (shares) at Sep. 29, 2021	36,671,447
Ending balance at Sep. 29, 2021	$ 366	342,656	(38,571)	(533)	303,918
Beginning balance (shares) at Jun. 30, 2021	36,637,761
Beginning balance at Jun. 30, 2021	$ 367	341,358	(48,732)	(607)	292,386
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		1,042			1,042
Issuance of common stock upon exercise of stock options, net		300			300
Issuance of common stock upon exercise of stock options, net (shares)	41,216
Shares repurchased for employee tax withholdings		(45)			(45)
Shares repurchased for employee tax withholdings (shares)	(2,446)
Forfeiture of common stock related to restricted shares	$ (1)	1
Forfeiture of common stock related to restricted shares (shares)	(5,084)
Other comprehensive income, net of tax				74	74
Net income			10,161		10,161
Ending balance (shares) at Sep. 29, 2021	36,671,447
Ending balance at Sep. 29, 2021	$ 366	342,656	(38,571)	(533)	303,918
Beginning balance (shares) at Dec. 29, 2021	36,601,648
Beginning balance at Dec. 29, 2021	$ 365	342,941	(32,393)	(290)	310,623
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		2,806			2,806
Issuance of common stock related to restricted shares	$ 4	(4)
Issuance of common stock related to restricted shares (shares)	352,114
Issuance of common stock upon exercise of stock options, net	$ 1	1,579			$ 1,580
Issuance of common stock upon exercise of stock options, net (shares)	150,475				150,475
Shares repurchased for employee tax withholdings		(243)			$ (243)
Shares repurchased for employee tax withholdings (shares)	(22,901)
Forfeiture of common stock related to restricted shares (shares)	(27,931)				(27,931)
Other comprehensive income, net of tax				480	$ 480
Net income			14,265		14,265
Ending balance (shares) at Sep. 28, 2022	37,053,405
Ending balance at Sep. 28, 2022	$ 370	347,079	(18,128)	190	329,511
Beginning balance (shares) at Jun. 29, 2022	37,002,513
Beginning balance at Jun. 29, 2022	$ 369	346,095	(23,137)	516	323,843
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		1,009			1,009
Issuance of common stock related to restricted shares	$ 1	(1)
Issuance of common stock related to restricted shares (shares)	53,476
Shares repurchased for employee tax withholdings		(24)			(24)
Shares repurchased for employee tax withholdings (shares)	(2,584)
Other comprehensive income, net of tax				(326)	(326)
Net income			5,009		5,009
Ending balance (shares) at Sep. 28, 2022	37,053,405
Ending balance at Sep. 28, 2022	$ 370	$ 347,079	$ (18,128)	$ 190	$ 329,511