| Comprehensive Income (Loss) Note [Text Block] |
| | RECLASSIFICATIONS FROM ACCUMULATED OTHER COMPREHENSIVE INCOME: | The following tables summarize changes in accumulated other comprehensive income from unrealized gains and losses on available-for-sale securities in the three and nine months ended September 30, 2016 and 2015. Changes in Accumulated Other Comprehensiv e Income Unrealized Gains and Losses on Available-for-Sale Securities For the three months ended September 30, 2016 and 2015 | | | | | | | | | | | $ | 3,372 | | | $ | 2,376 | | | Other comprehensive income/(loss) before reclassifications | | | 672 | | | | (1,448 | ) | Amounts reclassified from accumulated other comprehensive income | | | 210 | | | | 166 | | Net current-period other comprehensive income/(loss) | | | 882 | | | | (1,282 | ) | | | | $ | 4,254 | | | $ | 1,094 | | Changes in Accumulated Other Comprehensive Income Unrealized Gains and Losses on Available-for-Sale Securities For the nine months ended September 30, 2016 and 2015 | | | | | | | | | | | $ | 2,055 | | | $ | 4,259 | | | Other comprehensive income/(loss) before reclassifications | | | 1,727 | | | | (2,425 | ) | | Amounts reclassified from accumulated other comprehensive income/(loss) | | | 472 | | | | (740 | ) | Net current-period other comprehensive income/(loss) | | | 2,199 | | | | (3,165 | ) | | | | $ | 4,254 | | | $ | 1,094 | | 11 Notes to Consolidated Financial Statements of FutureFuel Corp. (Dollars in thousands, except per share amounts) The following tables summarize amounts reclassified from accumulated other comprehensive income in the three and nine months ended September 30, 2016 and 2015: | | | Reclassifications from Accumulated Other Comprehensive Income For the three and nine months ended September 30, 2016 and 2015 | | | | | Three months ended September 30, 2016 | | | Nine months ended September 30, 2016 | | | Affected Line Item in Statement of Operations | | Unrealized loss on available-for-sale securities | | $ | (322 | ) | | $ | (727 | ) | | Gain/(losses) on marketable securities | | Total before tax | | | (322 | ) | | | (727 | ) | | | | Tax benefit | | | 112 | | | | 255 | | | | | Total reclassifications | | $ | (210 | ) | | $ | (472 | ) | | | | | | | | | | | | | | | | | | Three months ended September 30, 2015 | | | Nine months ended September 30, 2015 | | | Affected Line Item in Statement of Operations | | Unrealized (loss)/gain on available-for-sale securities | | $ | (269 | ) | | $ | 1,202 | | | Gains/(losses) on marketable securities | | Total before tax | | | (269 | ) | | | 1,202 | | | | | Tax benefit/(provision) | | | 103 | | | | (462 | ) | | | | Total reclassifications | | $ | (166 | ) | | $ | 740 | | | |
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