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Note 21 - Subsequent Event (Details Textual) - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Capitalized Computer Software, Net |  | $ 31,900,000 | $ 33,000,000
Computer Software, Intangible Asset [Member] | Subsequent Event [Member] | Components Being Replaced [Member] |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period | 210 days |  |

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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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