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Note 8 - Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 2013
Income Tax Disclosure [Abstract] |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Three Month Periods Ended |  |  | Six Month Periods Ended |
|  | June 30, 2013 |  |  | July 1, 2012 |  |  | June 30, 2013 |  |  | July 1, 2012 |
Loss from continuing operations before Incomes Taxes (a) |  | $ | (1,903 | ) |  | $ | (3,065 | ) |  | $ | (1,641 | ) |  | $ | (4,405 | )
Total Income Tax Provision (b) |  | $ | 53 |  |  | $ | 171 |  |  | $ | 151 |  |  | $ | 262 |
Effective Tax Rate (b/a) |  |  | 2.8 | % |  |  | 5.6 | % |  |  | 9.2 | % |  |  | 5.9 | %
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | Six Month Periods Ended |
|  | June 30, 2013 |  |  | July 1, 2012 |
Balance at beginning of the period |  | $ | 7,508 |  |  | $ | 6,779 |
Increases related to current year tax positions |  |  | - |  |  |  | - |
Increases related to prior year tax positions |  |  | - |  |  |  | - |
Decreases related to prior year tax positions |  |  | - |  |  |  | - |
Expiration of statute of limitations for assessment of taxes |  |  | - |  |  |  | - |
Settlements |  |  | - |  |  |  | - |
Balance at end of the period |  | $ | 7,508 |  |  | $ | 6,779 |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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