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Note 17 - Commitments and Contingencies (Details Textual) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 03, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Oct. 02, 2016
Operating Leases Maximum Expiration Period |  | 10 years |  |
Operating Leases, Rent Expense, Net |  | $ 2,392,000 | $ 2,700,000 |
Purchase Obligation |  | 11,711,000 |  |
Defined Contribution Plan, Cost Recognized |  | 2,502,000 | $ 4,058,000 |
Subsequent Event [Member] |  |  |  |
Defined Contribution Plan, Cost Recognized | $ 20,000 |  |  |
Accrued Liabilities [Member] |  |  |  |
Loss Contingency Accrual |  | 500,000 |  |
Maximum [Member] |  |  |  |
Loss Contingency, Estimate of Possible Loss |  | $ 4,000,000 |  |
Minimum [Member] |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  | $ 0

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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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