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Note 10 - Loss Per Common Share - Reconciliation of Weighted Average Shares Outstanding Used in Calculation of Basic and Diluted (Loss) Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Net loss	$ (3,147)	$ (5,203)	$ (6,455)	$ (10,302)
Less distributed and undistributed earnings allocable to restricted award holders	0	0	0	0
Less dividends declared attributable to restricted award holders	0	0	0	0
Net loss allocable to common stockholders	$ (3,147)	$ (5,203)	$ (6,455)	$ (10,302)
Loss per share:
Basic (in dollars per share)	$ (0.15)	$ (0.26)	$ (0.32)	$ (0.52)
Diluted (in dollars per share)	$ (0.15)	$ (0.26)	$ (0.32)	$ (0.52)
Basic (in shares)	20,350	19,749	20,261	19,725
Weighted average additional shares assuming conversion of potential common shares (in shares)	0	0	0	0
Weighted average shares outstanding – diluted (in shares)	20,350	19,749	20,261	19,725

X

- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared and applicable to holders of share-based compensation, for example, but not limited to, non-vested shares, stock options, or restricted stock units.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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