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Note 2 - Acquisition - Components of Fair Value of Acquisitions and Allocation of Purchase Price (Details) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Oct. 01, 2015 | Jun. 30, 2016 | Sep. 30, 2016
Wisconsin-based Northlake Engineering, Inc [Member] | Scenario, Previously Reported [Member] |  |  |
Cash payments |  | $ 13,859 |
Less: cash acquired |  | (315) |
Total |  | 13,544 |
Current assets |  | 2,810 |
Property, plant, and equipment |  | 1,407 |
Identifiable intangible assets |  | 4,124 |
Goodwill |  | 7,821 |
Other non-current assets |  | 158 |
Liabilities assumed |  | (2,620) |
Expected final payments |  | (156) |
Total |  | 13,544 |
Wisconsin-based Northlake Engineering, Inc [Member] | Restatement Adjustment [Member] |  |  |
Cash payments |  | 156 |
Less: cash acquired |  |  |
Total |  | 156 |
Current assets |  |  |
Property, plant, and equipment |  |  |
Identifiable intangible assets |  | 2,700 |
Goodwill |  | (2,700) |
Other non-current assets |  |  |
Liabilities assumed |  |  |
Expected final payments |  | 156 |
Total |  | 156 |
Wisconsin-based Northlake Engineering, Inc [Member] |  |  |
Cash payments |  | 14,015 |
Less: cash acquired |  | (315) |
Total | $ 13,700 | 13,700 |
Current assets |  | 2,810 |
Property, plant, and equipment |  | 1,407 |
Identifiable intangible assets | 6,800 | 6,824 |
Goodwill | $ 5,100 | 5,121 |
Other non-current assets |  | 158 |
Liabilities assumed |  | (2,620) |
Expected final payments |  |  |
Total |  | 13,700 |
Goodwill |  | $ 157,354 | $ 157,062

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- Definition Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464 + Details
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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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