CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Operating activities:
Net income (loss)	$ 10,370	$ (10,211)	$ (84,386)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Gain on disposals of property and equipment, net	(124)	(3,267)	(6)
Stock-based compensation	6,076	3,484	2,844
Impairment and other lease charges	1,670	9,139	13,101
Goodwill impairment	0	0	67,909
Loss on extinguishment of debt	5,307	1,241	0
Gain on sale of Taco Cabana	(24,979)	0	0
Depreciation and amortization	28,373	38,206	39,195
Amortization of deferred financing costs	526	437	270
Deferred income taxes	(4,384)	(650)	10,888
Changes in other operating assets and liabilities:
Accounts receivable	525	(951)	640
Prepaid expenses and other current assets	(454)	340	364
Operating lease right-of-use assets	18,245	24,213	23,780
Other non-current assets	(1,955)	3,396	(1,360)
Accounts payable	(1,301)	1,309	504
Accrued payroll, related taxes and benefits	(3,952)	4,370	(220)
Accrued real estate taxes	(1,861)	103	626
Other current liabilities	(1,633)	(3,396)	(2,618)
Operating lease liabilities	(18,290)	(23,264)	(19,765)
Other non-current liabilities	(3,633)	2,166	(162)
Income tax receivable/payable	5,553	(5,578)	14,036
Other	(23)	(815)	(608)
Net cash provided by operating activities	14,056	40,272	65,032
Capital expenditures:
New restaurant development	0	(1,863)	(11,390)
Restaurant remodeling	(2,380)	(1,103)	(2,573)
Other restaurant capital expenditures	(14,732)	(11,270)	(19,335)
Corporate and restaurant information systems	(2,416)	(4,133)	(7,949)
Total capital expenditures	(19,528)	(18,369)	(41,247)
Proceeds from sale of Taco Cabana	74,910	0	0
Proceeds from disposals of properties	1,307	9,559	1,774
Proceeds from sale-leaseback transactions	3,083	17,222	0
Proceeds from insurance recoveries	0	0	42
Net cash provided by (used in) investing activities	59,772	8,412	(39,431)
Financing activities:
Borrowings on revolving credit facility	0	154,143	32,000
Repayments on revolving credit facility	0	(229,143)	(35,000)
Borrowings of unsecured debt	0	15,000	0
Repayments of unsecured debt	0	(15,000)	0
Borrowings of secured debt	0	73,500	0
Repayment of secured debt	(75,000)	0	0
Principal payments on finance leases	(219)	(237)	(164)
Financing costs associated with debt	0	(3,013)	0
Premium and other costs related to extinguishment of debt	(2,238)	0	0
Payments to purchase treasury stock	(9,356)	(3,728)	(14,282)
Net cash used in financing activities	(86,813)	(8,478)	(17,446)
Net change in cash and restricted cash	(12,985)	40,206	8,155
Cash and restricted cash, beginning of year	53,362	13,089	4,940
Cash and restricted cash of discontinued operations, beginning of year	257	324	318
Cash and restricted cash of discontinued operations, end of year	0	(257)	(324)
Cash and restricted cash, end of year	$ 40,634	$ 53,362	$ 13,089