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Liabilities (Details Textual) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jan. 01, 2016 USD ($) | Jan. 01, 2016 JPY (¥) | Jan. 01, 2016 CHF (SFr) | May. 01, 2015 EUR (€) | Jan. 02, 2015 USD ($) | Jan. 02, 2015 JPY (¥) | Dec. 28, 2012 JPY (¥)
Line of Credit Facility, Maximum Borrowing Capacity | $ 217,000 |  |  | € 200,000 |  |  | ¥ 500,000,000
Line of Credit Facility, Interest Rate Description | approximately 1.475% as of January 1, 2016) and may be renewed annually (the current line expires on September 30, 2016). |  |  |  |  |  |
Line Of Credit, Current | $ 4,159,000 | ¥ 500,000,000 |  |  | $ 4,150,000 | ¥ 500,000,000 |
Line of Credit Facility, Current Borrowing Capacity | $ 1,000,000 |  | SFr 1,000,000 |  |  |  |
Interest Rate Increase In Case Of Default | 14.00% |  |  |  |  |  |
Percentage Of Commission On Outstanding Notes Payable | 0.25% |  |  |  |  |  |
Working Capital Requirements | $ 783,000 |  | SFr 783,000 |  |  |  |
Foreign Exchange [Member] |  |  |  |  |  |  |
Line Of Credit, Current | $ 4,200,000 |  |  |  | $ 4,200,000 |  |

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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 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 + 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 + 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 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Line-of-Credit Arrangement -URI http://asc.fasb.org/extlink&oid=6517033 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20 -Article 5 + Details
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