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Note 5 - Toluca Sale-leaseback (Details Textual) - Toluca [Member] |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 09, 2016 USD ($) a | Mar. 09, 2016 MXN ($) | Oct. 01, 2017 | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Sale Leaseback Transaction, Transaction Related Expenses | $ 1,116,000 |  |  |  |
Sale Leaseback Transaction, Amount Due under Financing Arrangement |  |  |  | $ 2,949,000 |
Sale Leaseback Transaction, Deferred Gain, Net |  |  |  | 4,075,000 |
Capital Lease Agreement Term |  |  | 10 years |  |
Sale Leaseback Transaction, Annual Rental Payments |  |  |  | $ 936,000 |
Other Income [Member] |  |  |  |  |
Sale Leaseback Transaction, Current Period Gain Recognized |  |  |  |  | $ 2,370,000
Property, Plant and Equipment [Member] |  |  |  |  |
Sale Leaseback Transaction, Amount Due under Financing Arrangement | $ 3,315,000 |  |  |  |
Sypris Technologies Mexico, S. de R.L. de C.V. [Member] |  |  |  |  |
Area of Real Estate Property | a | 24 |  |  |  |
Sale Leaseback Transaction, Net Proceeds, Investing Activities | $ 12,182,000 | $ 215,000,000 |  |  |
Sale Leaseback Transaction, Portion of Real Estate Property Leased Back to Seller | a | 9 |  |  |  |

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- Definition Represents the area of the portion of the real estate property leased back to the seller in a sale leaseback transaction. + References No definition available. + Details
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- Definition The liability due as of the balance sheet date for leasebacks accounted for using the deposit method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694 + Details
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- Definition The yearly payments due under the lease entered into in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755 + Details
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- Definition The portion of the deferred gain that was recognized in the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77907795&loc=d3e50609-112754 + Details
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- Definition The portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77907795&loc=d3e50609-112754 + Details
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- Definition Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=82846721&loc=d3e51843-112757 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=82846721&loc=d3e51831-112757 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=82846721&loc=d3e51840-112757 + Details
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