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. 26, 2018	39,009,451
Beginning balance at Dec. 26, 2018	$ 390	$ 375,734	$ (110,888)		$ 265,236
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		2,474			2,474
Issuance of common stock related to restricted shares, net	$ 2	(2)			0
Issuance of common stock related to restricted shares, net (shares)	309,404
Issuance of common stock upon exercise of stock options	$ 2	1,448			1,450
Issuance of common stock upon exercise of stock options (shares)	234,728
Shares repurchased for employee tax withholdings		(365)			(365)
Shares repurchased for employee tax withholdings (shares)	(31,397)
Repurchase of common stock	$ (43)	(48,339)			(48,382)
Repurchase of common stock (shares)	(4,395,604)
Other comprehensive income, net of tax				$ 253	253
Net income			24,900		24,900
Ending balance (shares) at Dec. 25, 2019	35,126,582
Ending balance at Dec. 25, 2019	$ 351	330,950	(85,988)	253	245,566
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		3,093			3,093
Issuance of common stock related to restricted shares, net	$ 4	(4)			0
Issuance of common stock related to restricted shares, net (shares)	439,061
Issuance of common stock upon exercise of stock options	$ 10	5,856			$ 5,866
Issuance of common stock upon exercise of stock options (shares)	970,736				970,736
Shares repurchased for employee tax withholdings		(335)			$ (335)
Shares repurchased for employee tax withholdings (shares)	(23,407)
Forfeiture of common stock related to restricted shares	$ (1)	1			$ 0
Forfeiture of common stock related to restricted shares (shares)	(89,467)				(101,878)
Other comprehensive income, net of tax				(1,086)	$ (1,086)
Net income			24,474		24,474
Ending balance (shares) at Dec. 30, 2020	36,423,505
Ending balance at Dec. 30, 2020	$ 364	339,561	(61,514)	(833)	277,578
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		3,220			3,220
Issuance of common stock related to restricted shares, net	$ 2	(2)			0
Issuance of common stock related to restricted shares, net (shares)	246,780
Issuance of common stock upon exercise of stock options	$ 1	865			$ 866
Issuance of common stock upon exercise of stock options (shares)	132,760				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	$ (2)	2			$ 0
Forfeiture of common stock related to restricted shares (shares)	(161,013)				(221,110)
Other comprehensive income, net of tax				543	$ 543
Net income			29,121		29,121
Ending balance (shares) at Dec. 29, 2021	36,601,648
Ending balance at Dec. 29, 2021	$ 365	$ 342,941	$ (32,393)	$ (290)	$ 310,623