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Note 16 - Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Available for Sale Securities |
Balance as of December 31, 2015 |  | $ | (305 | )
Changes in fair value |  |  | 32 |
Income tax expense |  |  | (13 | )
Balance as of December 31, 2016 |  | $ | (286 | )
Reclassification of gain into income |  |  | 469 |
Income tax expense |  |  | (183 | )
Balance as of December 31, 2017 |  | $ | − |
Reclassifications [Member] |
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Year Ended |
|  | December 31, 201 7 |  |  | December 31, 201 6 |  |  | December 31, 201 5 |
Losses on cash flow swaps to: |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  | $ | − |  |  | $ | − |  |  | $ | (55 | )
Income tax benefit |  |  | − |  |  |  | − |  |  |  | 21 |
Total reclassifications |  | $ | − |  |  | $ | − |  |  | $ | (34 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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