Consolidated Statements of Cash Flows (USD $)
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Net income $ 16,455,000 $ 22,489,000 $ 16,379,000
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 13,185,000 13,060,000 14,556,000
Deferred income taxes 753,000 6,093,000 3,224,000
Non-cash interest expense 421,000 421,000 476,000
Debt issuance costs written-off 0 0 807,000
Loss on impairment and asset disposals 15,805,000 3,262,000 4,955,000
Amortization of below market lease 129,000 129,000 129,000
Gain on the settlement of unclaimed property liabilities     (683,000)
Stock-based compensation expense 2,821,000 2,343,000 2,322,000
Accounts receivables (7,049,000) (2,114,000) 1,420,000
Inventories (151,000) 8,000 (563,000)
Prepaid expenses and other 1,193,000 (621,000) (415,000)
Other assets 200,000 225,000 48,000
Accounts payable and accrued expenses (2,669,000) 3,036,000 7,931,000
Deferred revenue 2,717,000 622,000 1,132,000
Deferred rent 50,000 (1,123,000) 1,321,000
Other liabilities (512,000) (34,000) 285,000
Net cash provided by operating activities 43,348,000 47,796,000 53,324,000
Cash flows from investing activities:      
Acquisition of property and equipment (17,365,000) (15,311,000) (11,457,000)
Acquisition of franchise restaurant, net of cash acquired (2,800,000)    
Proceeds on disposal of property and equipment 149,000 1,104,000 161,000
Net cash used in investing activities (20,016,000) (14,207,000) (11,296,000)
Cash flows from financing activities:      
Principal repayments on long-term debt (32,000,000) (32,500,000) (47,000,000)
Principal borrowings on long-term debt 26,000,000 6,500,000 70,000,000
Repurchase of common stock (15,409,000)    
Redemption of Series A 10% redeemable convertible preferred stock     (59,740,000)
Cash dividend payments (7,138,000) (4,278,000) (1,103,000)
Excess tax benefits from stock compensation 1,868,000 1,132,000 16,000
Tax payments from the vesting of restricted stock and option exercises (3,121,000) (1,974,000)  
Deferred financing costs 0 0 (610,000)
Proceeds from exercise of stock options 183,000 208,000 393,000
Net cash used in financing activities (29,617,000) (30,912,000) (38,044,000)
Net increase (decrease) in cash and cash equivalents (6,285,000) 2,677,000 3,984,000
Cash and cash equivalents at beginning of period 10,586,000 7,909,000 3,925,000
Cash and cash equivalents at end of period 4,301,000 10,586,000 7,909,000
Cash paid during the period for:      
Interest, net of capitalized interest 709,000 1,272,000 1,983,000
Income taxes 2,135,000 2,383,000 2,643,000
Noncash investing and financing activities:      
Excess accrual-based acquisition of property and equipment $ 1,243,000 $ 1,213,000 $ (117,000)