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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 27, 2013 | Dec. 28, 2012 | Dec. 30, 2011
Cash flows from operating activities: |  |  |
Net income | $ 8,729 | $ 16,697 | $ 21,769
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation expense | 1,883 | 2,080 | 2,014
Amortization expense | 602 | 547 | 811
Amortization of debt issuance costs | 96 | 82 |
Provision (reversal) for doubtful accounts | 742 | 657 | (619)
(Gain) loss on foreign currency transaction | (4) | 187 | 323
Non-cash stock compensation expense | 6,119 | 5,522 | 4,605
Deferred income tax expense (benefit) | 5,705 | (1,191) | (5,257)
Changes in assets and liabilities: |  |  |
Decrease (increase) in accounts receivable and unbilled revenue | 1,841 | (2,317) | (3,010)
Decrease in prepaid expenses and other assets | 514 | 95 | 301
Increase in accounts payable | 369 | 278 | 1,843
Decrease in accrued expenses and other liabilities | (2,337) | (2,285) | (2,465)
Net cash provided by operating activities | 24,259 | 20,352 | 20,315
Cash flows from investing activities: |  |  |
Purchases of property and equipment | (2,068) | (3,252) | (4,939)
Decrease in restricted cash | 329 | 202 | 724
Net cash used in investing activities | (1,739) | (3,050) | (4,215)
Cash flows from financing activities: |  |  |
Debt proceeds | 11,002 | 40,000 |
Payment of debt proceeds | (16,974) | (15,000) |
Debt issuance costs | (129) | (482) |
Dividends paid | (3,096) | (3,081) |
Proceeds from issuance of common stock | 1,080 | 752 | 316
Repurchases of common stock | (13,132) | (55,587) | (8,955)
Net cash used in financing activities | (21,249) | (33,398) | (8,639)
Effect of exchange rate on cash | 22 | 66 | 138
Net increase (decrease) in cash and cash equivalents | 1,293 | (16,030) | 7,599
Cash and cash equivalents at beginning of year | 16,906 | 32,936 | 25,337
Cash and cash equivalents at end of year | 18,199 | 16,906 | 32,936
Supplemental disclosure of cash flow information: |  |  |
Cash (refunded) paid for income taxes | 357 | 230 | (318)
Cash paid for interest | $ 338 | $ 547 |

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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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