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Note 3 - Exit and Disposal Activities (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Restructuring and Related Costs [Table Text Block] |
|  | Total Program |  |  | Recognized as of December 31, 2016 |  |  | Remaining Costs to be Recognized |
Severance and benefit-related costs |  | $ | 1,265 |  |  | $ | 427 |  |  | $ | 838 |
Asset impairments |  |  | 188 |  |  |  | 188 |  |  |  | 0 |
Equipment relocation costs |  |  | 2,531 |  |  |  | 0 |  |  |  | 2,531 |
Other |  |  | 530 |  |  |  | 30 |  |  |  | 500 |
|  | $ | 4,514 |  |  | $ | 645 |  |  | $ | 3,869 |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] |
|  | Accrued |  |  |  |  |  | Cash |  |  | Accrued |
|  | Balance at |  |  |  |  |  | Payments |  |  | Balance at |
|  | Dec. 31, |  |  | 2016 |  |  | or Asset |  |  | Dec. 31, |
|  | 2015 |  |  | Charge |  |  | Write-Offs |  |  | 2016 |
Severance and benefit related costs |  | $ | 0 |  |  | $ | 427 |  |  | $ | 0 |  |  | $ | 427 |
Asset impairments |  |  | 0 |  |  |  | 188 |  |  |  | (188 | ) |  |  | 0 |
Equipment relocation costs |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Other |  |  | 0 |  |  |  | 30 |  |  |  | (30 | ) |  |  | 0 |
|  | $ | 0 |  |  | $ | 645 |  |  | $ | (218 | ) |  | $ | 427 |
Disposal Groups, Including Discontinued Operations [Table Text Block] |
|  | December 31, |
|  | 2016 |
Machinery, equipment, furniture and fixtures |  | $ | 6,673 |
Accumulated depreciation |  |  | (5,841 | )
Property, plant and equipment, net |  | $ | 832 |

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