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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 02, 2011 quarter | Dec. 29, 2012 | Dec. 31, 2011
Operating Loss Carryforwards [Line Items] |  |  |
Undistributed foreign earnings |  | $ 994 |
Tax credit carryforwards, foreign |  | 880 |
Number of previous periods of cumulative income before infrequent and unusual items | 3 years |  |
Number of consecutive quarters with income before taxes | 6 |  |
Non-cash reversal of deferred tax assets | 917 | 0 | 917
Decrease in valuation allowance |  |  | 219
Tax benefits from share-based compensation recorded to Common Stock |  |  | 53
Provision for income taxes |  |  |
Federal |  | (248) | 266
State |  | 26 | 140
Foreign |  | (62) | 257
Current tax expense |  | (284) | 663
Deferred tax expense — domestic |  | 365 | 702
Deferred tax expense — foreign |  | 2 | 2
Provision for income taxes |  | 83 | 1,367
Reconciliation of provision for income taxes with federal statutory rate |  |  |
Income tax expense at statutory rate |  | (1,282) | 1,981
State tax expense, net of federal tax effect |  | (130) | 303
Permanent differences |  | 194 | 360
Change in valuation allowance |  | 1,154 | (15)
Recognition of tax effect for the cumulative undistributed earnings from Canada |  | 114 | 0
Reversal of deferred tax asset valuation allowance |  | 0 | (917)
Adjustment of deferred tax assets |  | 58 | 0
Utilization of foreign tax credit |  | 0 | (256)
Foreign income tax payable true-up |  | (57) | 0
Foreign rate differential |  | 0 | (47)
Other |  | 32 | (42)
Provision for income taxes at effective tax rate |  | 83 | 1,367
Income before income taxes and noncontrolling interest |  |  |
United States |  | (4,356) | 5,279
Canada |  | (17) | 810
Income (loss) before income taxes and noncontrolling interest |  | (4,373) | 6,089
Deferred tax assets: |  |  |
Net operating loss carryforwards |  | 689 | 290
Federal and state tax credits |  | 464 | 0
Reserves |  | 414 | 191
Accrued expenses |  | 254 | 203
Share-based compensation |  | 286 | 227
Deferred gain |  | 331 | 521
Investments |  | 0 | 103
Property and equipment |  | 25 | 201
Total deferred tax assets |  | 2,463 | 1,736
Deferred Tax Liabilities: |  |  |
Investments |  | (1,124) | (1,049)
Prepaid expenses |  | (146) | (69)
Property and equipment |  | (50) | (262)
Total deferred tax liabilities |  | (1,320) | (1,380)
Valuation allowance |  | (2,185) | (1,031)
Net deferred tax liabilities |  | (1,042) | (675)
Percentage of likelihood of realization that the tax position must exceed in order for the amount to be recognized |  | 50.00% |
US |  |  |
Provision for income taxes |  |  |
Provision for income taxes |  | 2,025 |
Canada |  |  |
Provision for income taxes |  |  |
Provision for income taxes |  | $ 259 |

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- Definition The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Valuation Allowance -URI http://asc.fasb.org/extlink&oid=6528051 + Details
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- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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