| Schedule of Earnings Per Share Reconciliation [Table Text Block] |
| | Three Months Ended | | Nine Months Ended | | (in thousands, except per share data) | October 2, | | September 27, | | October 2, | | September 27, | | | 2016 | | 2015 | | 2016 | | 2015 | | Net (loss) income per share – basic: | | | | | | | | | | | | | Net (loss) income from continuing operations, net of taxes | $ | (2,378) | | $ | 957 | | $ | (2,116) | | $ | 1,480 | | Net (loss) income from discontinued operations, net of taxes | | (81) | | | (249) | | | 627 | | | 79 | | Net (loss) income | $ | (2,459) | | $ | 708 | | $ | (1,489) | | $ | 1,559 | | Weighted average shares outstanding | | 6,950 | | | 6,945 | | | 6,949 | | | 7,008 | | Net (loss) income from continuing operations per share – basic | $ | (0.34) | | $ | 0.14 | | $ | (0.30) | | $ | 0.21 | | Net (loss) income from discontinued operations per share – basic | $ | (0.01) | | $ | (0.04) | | $ | 0.09 | | $ | 0.01 | | Net (loss) income per share – basic | $ | (0.35) | | $ | 0.10 | | $ | (0.21) | | $ | 0.22 | | | | | | | | | | | | | | | Net (loss) income per share – diluted: | | | | | | | | | | | | | Net (loss) income from continuing operations, net of taxes | $ | (2,378) | | $ | 957 | | $ | (2,116) | | $ | 1,480 | | Net (loss) income from discontinued operations, net of taxes | | (81) | | | (249) | | | 627 | | | 79 | | Net (loss) income | $ | (2,459) | | $ | 708 | | $ | (1,489) | | $ | 1,559 | | Weighted average shares outstanding | | 6,950 | | | 6,945 | | | 6,949 | | | 7,008 | | Dilutive impact of stock equivalents outstanding | | --- | | | 13 | | | --- | | | 19 | | Adjusted weighted average shares outstanding | | 6,950 | | | 6,958 | | | 6,949 | | | 7,027 | | Net (loss) income from continuing operations per share – diluted | $ | (0.34) | | $ | 0.14 | | $ | (0.30) | | $ | 0.21 | | Net (loss) income from discontinued operations per share – diluted | $ | (0.01) | | $ | (0.04) | | $ | 0.09 | | $ | 0.01 | | Net (loss) income per share – diluted | $ | (0.35) | | $ | 0.10 | | $ | (0.21) | | $ | 0.22 |
|