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Note 10 - Loss Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30 , |  |  | October 1 , |  |  | September 30 , |  |  | October 1 , |
|  | 201 8 |  |  | 201 7 |  |  | 201 8 |  |  | 201 7 |
|  | (Unaudited) |  |  | (Unaudited) |
Loss attributable to stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss as reported |  | $ | (2,336 | ) |  | $ | (3,133 | ) |  | $ | (3,317 | ) |  | $ | (9,588 | )
Less distributed and undistributed earnings allocable to restricted award holders |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Net loss allocable to common stockholders |  | $ | (2,336 | ) |  | $ | (3,133 | ) |  | $ | (3,317 | ) |  | $ | (9,588 | )
Loss per common share attributable to stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.11 | ) |  | $ | (0.15 | ) |  | $ | (0.16 | ) |  | $ | (0.47 | )
Diluted |  | $ | (0.11 | ) |  | $ | (0.15 | ) |  | $ | (0.16 | ) |  | $ | (0.47 | )
Weighted average shares outstanding – basic |  |  | 20,555 |  |  |  | 20,397 |  |  |  | 20,497 |  |  |  | 20,305 |
Weighted average additional shares assuming conversion of potential common shares |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Weighted average shares outstanding – diluted |  |  | 20,555 |  |  |  | 20,397 |  |  |  | 20,497 |  |  |  | 20,305 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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