Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2019	Jan. 02, 2018	Jan. 03, 2017
Investing activities
Proceeds from Divestiture of Businesses		$ 2,192
Successor
Operating activities
Net income	$ 18,959	49,871	$ 20,913
Adjustments to reconcile net income to net cash provided by operating activities:
Allowance for doubtful accounts	45	0	0
Depreciation and amortization	25,794	23,362	23,129
Amortization of favorable and unfavorable lease assets and liabilities, net	(767)	(809)	(607)
Amortization of deferred financing costs and interest rate cap	445	389	392
Stock-based compensation	6,079	4,876	4,096
Impairment of long-lived assets	3,861	0	0
Deferred income taxes	1,097	(22,594)	10,741
Loss on disposal of assets, net	1,012	1,075	312
Restaurant closure charges, net	(449)	(379)	(179)
Other Noncash Income	(523)	0	0
Changes in operating assets and liabilities:
Accounts and other receivables, net	616	313	(921)
Inventories	(220)	6	88
Prepaid expenses and other current assets	1,949	(2,580)	(659)
Other assets	(125)	(162)	(59)
Accounts payable	2	2,332	(404)
Other accrued liabilities	(488)	(1,526)	3,733
Other non-current liabilities	3,647	2,856	(3,387)
Net cash provided by operating activities	61,832	57,788	57,546
Investing activities
Purchases of property and equipment	(48,032)	(50,627)	(45,853)
Proceeds from disposal of property and equipment	1,323	9,907	3,423
Purchases of other assets	(1,474)	(1,033)	(1,333)
Acquisition of franchisees	(1,841)	(1,128)	(3,891)
Proceeds from Divestiture of Businesses	0	2,192	0
Net cash used in investing activities	(50,024)	(40,689)	(47,654)
Financing activities
Proceeds from deemed landlord financing liabilities	2,675	3,925	1,974
Repurchase of common stock and warrants	(16,316)	(13,849)	(15,314)
Payment of tax withholding related to restricted stock vesting, option exercises and distribution of restricted stock units	(2,378)	(1,923)	(916)
Payments on capital leases and deemed landlord financing	(1,417)	(1,587)	(1,728)
Proceeds from revolving credit facility	31,000	31,500	24,000
Payments on revolving credit facility	(25,000)	(37,500)	(19,000)
Payment for interest rate cap	0	0	(312)
Proceeds from Stock Options Exercised	222	99	5
Net cash used in financing activities	(11,214)	(19,335)	(11,291)
Increase (decrease) in cash and cash equivalents	594	(2,236)	(1,399)
Cash and cash equivalents at beginning of period	6,559	8,795	10,194
Cash and cash equivalents at end of period	7,153	6,559	8,795
Supplemental cash flow information:
Cash paid during the period for interest	8,823	6,873	6,328
Cash paid during the period for income taxes, net of tax refunds	3,061	9,441	3,531
Supplemental schedule of non-cash activities:
Increase (decrease) of purchases of property and equipment in accounts payable and accrued liabilities, net	556	2,305	64
Write-offs against bad debt reserves	26	0	72
Amortization of interest rate cap into net income, net of tax	44	4	0
Change in other asset for fair value of interest rate cap recorded to other comprehensive (loss) income, net of tax	$ 122	$ (162)	$ 172