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Note 4 - Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Table Text Block] |
|  | Year Ended December 31, |
|  | 2017 |  |  | 2016 |
Net sales |  | $ | 12 |  |  | $ | 6,869 |
Cost of sales |  |  | 1,792 |  |  |  | 9,777 |
Gross loss |  |  | (1,780 | ) |  |  | (2,908 | )
Selling, general, and administrative expense |  |  | (1 | ) |  |  | 257 |
Gain on sale of facility |  |  | (6 | ) |  |  | - |
Operating loss |  |  | (1,773 | ) |  |  | (3,165 | )
Other expense |  |  | - |  |  |  | (1 | )
Interest expense |  |  | - |  |  |  | (14 | )
Loss before income taxes |  |  | (1,773 | ) |  |  | (3,180 | )
Income tax benefit |  |  | (2 | ) |  |  | (658 | )
Net loss |  | $ | (1,771 | ) |  | $ | (2,522 | )

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