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Liabilities (Details Textual) | 12 Months Ended |
--- | --- | ---
Jan. 03, 2014 USD ($) | Jan. 03, 2014 CHF | Jan. 03, 2014 JPY (¥) | Dec. 28, 2012 USD ($) | Dec. 28, 2012 JPY (¥)
Liabilities [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | ¥ 500,000,000
Line of Credit Facility, Interest Rate Description | (approximately 1.475% as ofJanuary 3, 2014) and may be renewed annually (the current line expires on April 4, 2014). | (approximately 1.475% as ofJanuary 3, 2014) and may be renewed annually (the current line expires on April 4, 2014). | (approximately 1.475% as ofJanuary 3, 2014) and may be renewed annually (the current line expires on April 4, 2014). |  |
Line of Credit Facility, Amount Outstanding | 4,800,000 |  | 500,000,000 | 5,800,000 |
Line of Credit Facility, Current Borrowing Capacity | $ 1,100,000 | 1,000,000 |  |  |
Interest Rate Increase In Case Of Default | 14.00% | 14.00% | 14.00% |  |
Percentage Of Commission On Outstanding Notes Payable | 0.25% | 0.25% | 0.25% |  |
Additional Discount On Loan Description | The fair value of the warrants was treated as an additional discount on the loan and was amortized using the effective interest method over the life of the loan (which approximates an effective interest rate of 32% per annum, assuming the 20% cash interest rate is maintained throughout the life of the Note). | The fair value of the warrants was treated as an additional discount on the loan and was amortized using the effective interest method over the life of the loan (which approximates an effective interest rate of 32% per annum, assuming the 20% cash interest rate is maintained throughout the life of the Note). | The fair value of the warrants was treated as an additional discount on the loan and was amortized using the effective interest method over the life of the loan (which approximates an effective interest rate of 32% per annum, assuming the 20% cash interest rate is maintained throughout the life of the Note). |  |

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- Definition Represents the interest rate will be increase in case of default. + References No definition available. + Details
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- Definition Percentage of commission on outstanding notes payable during the payable. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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