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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Cash flows from operating activities:    
Net income $ 4,278 $ 5,795
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 1,149 1,383
Loss on disposal of fixed assets 1 269
Gain on sale of discontinued operations   (143)
Stock-based compensation expense 110 317
Provision for losses on accounts receivable 165 93
Deferred income tax expense 864 403
Changes in assets and liabilities:    
Accounts receivable 2,005 5,250
Transit accounts receivable (3,029)  
Prepaid expenses and other current assets (411) 782
Accounts payable and accrued expenses (939) (1,255)
Transit accounts payable 3,030  
Accrued payroll and related costs (1,097) 308
Income taxes payable 344 138
Total adjustments 2,192 7,545
Net cash provided by operating activities 6,470 13,340
Cash flows from investing activities:    
Property and equipment acquired (274) (101)
(Increase) decrease in deposits (16) 30
Cash from sale of discontinued operations   400
Cash paid for acquisitions (128)  
Net cash (used in) provided by investing activities (418) 329
Cash flows from financing activities:    
Sale of stock for employee stock purchase plan 168 149
Exercise of stock options 113 102
Common stock repurchases (2,507) (206)
Net cash (used in) provided by financing activities (2,226) 45
Effect of exchange rate changes on cash and cash equivalents (113) 48
Increase in cash and cash equivalents 3,713 13,762
Cash and cash equivalents at beginning of period 24,704 10,942
Cash and cash equivalents at end of period 28,417 24,704
Cash paid for:    
Interest 35 74
Income taxes 1,840 1,669
Decrease goodwill 0 840
Decrease accounts payable and accrued expenses 0 313
Decrease contingent consideration $ 0 $ 527