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Note 8 - Stockholders' Equity (Tables)

12 Months Ended

May 26, 2013

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Activity [Table Text Block]

						Restricted Stock Outstanding								Stock Options Outstanding
		RSUs and Options Available for Grant				Number of Restricted Shares				Weighted Average Grant Date Fair Value				Number of Stock Options				Weighted Average Exercise Price
Balance at May 30, 2010			770,311				431,605			$	6.35				2,456,829			$	6.13
Granted			(129,335	)			32,335			$	6.00				97,000			$	6.00
Awarded/Exercised			—				(48,855	)		$	9.48				(217,076	)		$	3.46
Forfeited			—				—				—				(18,000	)		$	10.63
Balance at May 29, 2011			640,976				415,085			$	5.96				2,318,753			$	6.34
Granted			(191,333	)			47,833			$	6.67				143,500			$	6.67
Awarded/Exercised			—				(111,252	)		$	6.36				(371,727	)		$	5.40
Forfeited			—				(3,500	)		$	5.84				(5,657	)		$	5.76
Plan shares expired			—				—				—				(38,437	)		$	8.23
Balance at May 27, 2012			449,643				348,166			$	5.93				2,046,432			$	6.50
Granted			(26,666	)			6,666			$	9.01				20,000			$	9.01
Awarded/Exercised			—				(231,086	)		$	5.74				(671,563	)		$	6.30
Forfeited			—				(28,416	)		$	6.20				(44,977	)		$	6.34
Plan shares expired			—				—				—				(10,000	)		$	13.32
Balance at May 26, 2013			422,977				95,330			$	6.52				1,339,892			$	6.58

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

					Options Outstanding															Options Exercisable
Range of Exercise Prices					Number of Shares Outstanding			Weighted Average Remaining Contractual Life   (in years)				Weighted Average Exercise Price				Aggregate Intrinsic Value				Number of Shares Exercisable				Weighted Average Exercise Price				Aggregate Intrinsic Value
$5.63	-	$5.63			423,101				4.00			$	5.63			$	3,490,583				423,101			$	5.63			$	3,490,583
$5.65	-	$6.22			367,135				3.57			$	6.15			$	2,836,564				359,005			$	6.16			$	2,772,504
$6.35	-	$7.50			443,656				2.89			$	6.77			$	3,153,362				391,496			$	6.79			$	2,776,788
$8.19	-	$13.32			106,000				2.31			$	11.09			$	296,110				89,332			$	11.47			$	214,937
$5.63	-	$13.32			1,339,892				3.38			$	6.58			$	9,776,619				1,262,934			$	6.55			$	9,254,812

Schedule of Nonvested Share Activity [Table Text Block]

		Stock Options									Restricted Stock
		Shares				Weighted Average Fair Value					Shares				Weighted Average Fair Value
Unvested at May 27, 2012			425,870			$	2.43					348,166			$	5.93
Granted			20,000			$	3.57					6,666			$	9.01
Vested/Awarded			(323,935	)		$	2.87					(231,086	)		$	5.74
Forfeited			(44,977	)		$	—					(28,416	)		$	6.20
Unvested at May 26, 2013			76,958			$	2.29					95,330			$	6.52

X

- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

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