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Note 10 - Per Share Data (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

		Thirteen Week Periods Ended								Twenty-Six Week Periods Ended
		June 30, 2018				July1, 2017				June 30, 2018				July1, 2017
Basic weighted average shares outstanding			12,239,758				11,961,967				12,239,259				11,954,310
Dilutive effect of outstanding restricted stock awards			21,895				107,321				20,200				104,052
Weighted average dilutive shares outstanding			12,261,653				12,069,288				12,259,459				12,058,362

Unissued Shares of Common Stock [Table Text Block]

		June 30, 2018				December 30, 2017
Time-based restricted stock units outstanding			96,195				87,034
Performance-based restricted stock units outstanding			240,000				400,000
Future grants of options or shares			483,071				332,232
Shares reserved for employee stock purchase plan			131,872				177,280
Total			951,138				996,546

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Unissued shares of common stock [table text block

+ References

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ 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

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