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Income Taxes (Details Textual) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  | 12 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2013 | Sep. 27, 2013 | Jan. 03, 2014 | Dec. 30, 2011 | Dec. 28, 2012 | Jan. 03, 2014 SWITZERLAND | Dec. 28, 2012 SWITZERLAND | Jan. 03, 2014 Japan [Member] | Jan. 03, 2014 Minimum [Member] | Jan. 03, 2014 Maximum [Member]
Income Taxes [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred Tax Assets, Valuation Allowance |  |  |  |  | $ 1,000,000 |  |  |  |  |
Operating Loss Carryforwards |  |  | 121,700,000 |  |  |  |  | 20,000 |  |
Valuation Allowance, Deferred Tax Asset, Change in Amount | 433,000 | 433,000 | (1,008,000) | 312,000 |  |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Explanation of Change |  |  | The valuation allowance as of December 28, 2012 of $1.0 million was reduced to $433,000 primarily due to the utilization of STAAR Japans net operating loss carryover during the nine months ended September 27, 2013. |  |  |  |  |  |  |
Deferred Tax Assets, Net of Valuation Allowance, Current, Total |  |  | 373,000 |  | 0 |  |  |  |  |
Taxes Payable, Total |  |  | 655,000 |  | 1,034,000 |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign |  |  | 121,700,000 |  |  |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local |  |  | 70,500,000 |  |  |  |  |  |  |
Operating Loss Carryforwards, Valuation Allowance, Total |  |  | 71,000 | 116,000 | 48,000 |  |  |  |  |
Increase Decrease In Foreign Deferred Tax Asset |  |  | (630,000) |  | 16,000 |  |  |  |  |
Deferred Tax Assets, Net |  |  |  |  |  |  | 1,137,000 | 289,000 |  |
Deferred Tax Liabilities, Net |  |  |  |  |  | 1,683,000 |  |  |  |
Operating Loss Carryforwards, Limitations on Use |  |  | The California net operating loss carryfowards expire in varying amounts between 2014 and 2033 and, approximately $14.6 million of those net operating loss carryforwards, will expire over the next three years |  |  |  |  |  |  |
Operating Loss Carryforward Expiration Date |  |  |  |  |  |  |  |  | 2014 | 2033
Deferred Tax Assets Operating Loss Carryforwards State And Local Expire Within Three Years |  |  | 14,600,000 |  |  |  |  |  |  |
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries |  |  |  |  |  | $ 1,129,000 | $ 885,000 |  |  |

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