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Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 29, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 2,430 | $ 1,564
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 550 | 537
Changes in fair value of contingent consideration | (92) | (43)
Stock-based compensation expense | 369 | 54
Provision for allowance for doubtful accounts | (204) | 277
Deferred income tax expense | 330 | 268
Changes in assets and liabilities: |  |
Accounts receivable | (5,602) | (1,324)
Transit accounts receivable | 4,141 | (1,537)
Prepaid expenses and other current assets | 318 | (592)
Accounts payable and accrued expenses | 2,388 | (900)
Transit accounts payable | (5,325) | 6,050
Accrued payroll and related costs | 165 | (185)
Income taxes payable | 330 | 493
Total adjustments | (2,632) | 3,098
Net cash (used in) provided by operating activities | (202) | 4,662
Cash flows from investing activities: |  |
Property and equipment acquired | (845) | (111)
Decrease (increase) in deposits | 34 | (74)
Net cash used in investing activities | (811) | (185)
Cash flows from financing activities: |  |
Sale of stock for employee stock purchase plan | 120 | 61
Exercise of stock options | 85 | 239
Common stock repurchases | (83) | (4,070)
Net cash provided by (used in) financing activities | 122 | (3,770)
Effect of exchange rate changes on cash and cash equivalents | (37) | 28
(Decrease) increase in cash and cash equivalents | (928) | 735
Cash and cash equivalents at beginning of period | 14,123 | 28,417
Cash and cash equivalents at end of period | 13,195 | 29,152
Cash paid for: |  |
Interest | 34 | 26
Income taxes | $ 186 | $ 1,031

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration