UPDATES TO CRITICAL ACCOUNTING POLICIES AND ESTIMATES UPDATES TO CRITICAL ACCOUNTING POLICIES AND ESTIMATES (Tables)

12 Months Ended

May. 30, 2015

Accounting Policies and Estimates [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consist of the following (in thousands):

	May 30,   2015			May 31,   2014
Land and improvements	$	1,594		$	1,598
Buildings and improvements	18,883			18,456
Computer and communications equipment	6,774			3,792
Construction in progress	1,218			1,377
Machinery and other equipment	6,562			5,795
	$	35,031		$	31,018
Accumulated depreciation	(24,950		)	(23,795		)
Property, plant, and equipment, net	$	10,081		$	7,223

Property Plant And Equipment Estimated Useful Lives Table [Text Block]

Supplemental disclosure information of the estimated useful life of the asset:

Land improvements	10 years
Buildings and improvements	10 - 30 years
Computer and communications equipment	3 - 10 years
Machinery and other equipment	3 - 10 years

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consist of the following (in thousands):

	May 30, 2015		May 31, 2014
Compensation and payroll taxes	$	4,303	$	4,692
Income taxes	572		68
Professional fees	885		560
Other accrued expenses	4,384		3,900
Accrued Liabilities	$	10,144	$	9,220

Schedule of Product Warranty Liability [Table Text Block]

Changes in the warranty reserve during fiscal 2015 and 2014 were as follows (in thousands):

	Warranty Reserve
Balance at June 1, 2013	$	188
Accruals for products sold	202
Utilization	(215		)
Balance at May 31, 2014	$	175
Accruals for products sold	116
Utilization	(103		)
Balance at May 30, 2015	$	188

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

A summary of stock option activity is as follows (in thousands, except option prices and years):

	Number of Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Options Outstanding at June 2, 2012	766		$	9.52
Granted	225		11.70
Exercised	(31	)	6.37
Forfeited	(14	)	10.40
Cancelled	(2	)	12.43
Options Outstanding at June 1, 2013	944		$	10.13
Granted	224		11.15
Exercised	(32	)	5.84
Forfeited	(54	)	11.73
Cancelled	(17	)	11.52
Options Outstanding at May 31, 2014	1,065		$	10.37
Granted	225		9.92
Exercised	(47	)	6.53
Forfeited	(34	)	11.42
Cancelled	(72	)	11.19
Options Outstanding at May 30, 2015	1,137		$	10.35	6.5	$	594
Options Vested at May 30, 2015	608		$	9.83	4.9	$	594

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of stock options is estimated using the Black-Scholes option-pricing model with the following weighted average assumptions:

	Fiscal Year Ended
	May 30,   2015			May 31,   2014			June 1,   2013
Expected volatility	46.12		%	49.31		%	50.79		%
Risk-free interest rate	2.12		%	2.03		%	1.12		%
Expected lives (years)	6.47			6.47			6.37
Annual cash dividend	$	0.24		$	0.24		$	0.24

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

The following table summarizes information about stock options outstanding at May 30, 2015 (in thousands, except option prices and years):

	Outstanding						Vested
Exercise Price Range	Shares	Price		Life	Aggregate Intrinsic Value		Shares	Price		Life	Aggregate Intrinsic Value
$4.26 to $7.24	185	$	5.70	3.8	$	547	185	$	5.75	3.8	$	547
$7.32 to $11.14	507	$	10.16	7.7	$	47	131	$	8.96	4.4	$	47
$11.50 to $13.76	445	$	12.51	6.3	$	—	292	$	12.66	6.0	$	—
Total	1,137	$	10.35	6.5	$	594	608	$	9.83	4.9	$	594

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The per share amounts presented in the consolidated statements of comprehensive income (loss) are based on the following (amounts in thousands, except per share amounts):

	For the Fiscal Year Ended
	May 30, 2015						May 31, 2014						June 1, 2013
	Basic			Diluted			Basic			Diluted			Basic			Diluted
Numerator for Basic and Diluted EPS:
Income (loss) from continuing operations	$	(5,528	)	$	(5,528	)	$	(345	)	$	(345	)	$	482		$	482
Less dividends:
Common stock	2,794			2,794			2,853			2,853			2,971			2,971
Class B common stock	466			466			488			488			600			600
Undistributed earnings (losses)	$	(8,788	)	$	(8,788	)	$	(3,686	)	$	(3,686	)	$	(3,089	)	$	(3,089	)
Common stock undistributed earnings (losses)	$	(7,539	)	$	(7,539	)	$	(3,151	)	$	(3,151	)	$	(2,570	)	$	(2,575	)
Class B common stock undistributed earnings (losses)	(1,249		)	(1,249		)	(535		)	(535		)	(519		)	(514		)
Total undistributed earnings (losses)	$	(8,788	)	$	(8,788	)	$	(3,686	)	$	(3,686	)	$	(3,089	)	$	(3,089	)
Income (loss) from discontinued operations	$	(31	)	$	(31	)	$	(170	)	$	(170	)	$	766		$	766
Less dividends:
Common stock	2,794			2,794			2,853			2,853			2,971			2,971
Class B common stock	466			466			488			488			600			600
Undistributed earnings (losses)	$	(3,291	)	$	(3,291	)	$	(3,511	)	$	(3,511	)	$	(2,805	)	$	(2,805	)
Common stock undistributed earnings (losses)	$	(2,823	)	$	(2,823	)	$	(3,001	)	$	(3,001	)	$	(2,334	)	$	(2,338	)
Class B common stock undistributed earnings (losses)	(468		)	(468		)	(510		)	(510		)	(471		)	(467		)
Total undistributed earnings (losses)	$	(3,291	)	$	(3,291	)	$	(3,511	)	$	(3,511	)	$	(2,805	)	$	(2,805	)
Net income (loss)	$	(5,559	)	$	(5,559	)	$	(515	)	$	(515	)	$	1,248		$	1,248
Less dividends:
Common stock	2,794			2,794			2,853			2,853			2,971			2,971
Class B common stock	466			466			488			488			600			600
Undistributed earnings (losses)	$	(8,819	)	$	(8,819	)	$	(3,856	)	$	(3,856	)	$	(2,323	)	$	(2,323	)
Common stock undistributed earnings (losses)	$	(7,565	)	$	(7,565	)	$	(3,296	)	$	(3,296	)	$	(1,933	)	$	(1,937	)
Class B common stock undistributed earnings (losses)	(1,254		)	(1,254		)	(560		)	(560		)	(390		)	(386		)
Total undistributed earnings (losses)	$	(8,819	)	$	(8,819	)	$	(3,856	)	$	(3,856	)	$	(2,323	)	$	(2,323	)
Denominator for basic and diluted EPS:
Common stock weighted average shares	11,682			11,682			11,915			11,915			12,448			12,448
Class B common stock weighted average shares, and shares under if-converted method for diluted EPS	2,151			2,151			2,250			2,250			2,790			2,790
Effect of dilutive securities
Dilutive stock options				—						—						134
Denominator for diluted EPS adjusted for weighted average shares and assumed conversions				13,833						14,165						15,372
Income (loss) from continuing operations per share:
Common stock	$	(0.41	)	$	(0.41	)	$	(0.03	)	$	(0.03	)	$	0.03		$	0.03
Class B common stock	$	(0.36	)	$	(0.36	)	$	(0.02	)	$	(0.02	)	$	0.03		$	0.03
Income (loss) from discontinued operations per share:
Common stock	$	—		$	—		$	(0.01	)	$	(0.01	)	$	0.05		$	0.05
Class B common stock	$	—		$	—		$	(0.01	)	$	(0.01	)	$	0.05		$	0.05
Net income (loss) per share:
Common stock	$	(0.41	)	$	(0.41	)	$	(0.04	)	$	(0.04	)	$	0.08		$	0.08
Class B common stock	$	(0.36	)	$	(0.36	)	$	(0.03	)	$	(0.03	)	$	0.08		$	0.08

Note: Common stock options that were anti-dilutive and not included in diluted earnings per common share for fiscal 2015, fiscal 2014, and fiscal 2013 were 880,589; 489,064; and 280,764, respectively.