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Schedule II - Valuation and Qualifying Accounts and Reserves (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Summary of Valuation Allowance [Table Text Block] |
Column A |  | Column B |  |  | Column C |  |  | Column D |  |  | Column E |
Description |  | Balance at Beginning of Period |  |  | Charged to Costs and Expenses |  |  | Deduction |  |  | Balance at End of Period |
Fiscal Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts on trade receivables |  | $ | 1,432 |  |  |  | 650 |  |  |  | (680 | ) |  | $ | 1,402 |
Provision for contingencies for legal matters |  | $ | 214 |  |  |  | 455 |  |  |  | (214 | ) |  | $ | 455 |
Fiscal Year Ended January 2, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts on trade receivables |  | $ | 1,011 |  |  |  | 629 |  |  |  | (208 | ) |  | $ | 1,432 |
Provision for contingencies for legal matters |  | $ | 0 |  |  |  | 214 |  |  |  | 0 |  |  | $ | 214 |

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- Definition Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Valuation Allowance -URI http://asc.fasb.org/extlink&oid=6528051 Reference 2: 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=65882285&loc=d3e32537-109319 + Details
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