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UPDATES TO CRITICAL ACCOUNTING POLICIES AND ESTIMATES Earnings per Share Calculation (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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May 31, 2014 | Mar. 01, 2014 | Nov. 30, 2013 | Aug. 31, 2013 | Jun. 01, 2013 | Mar. 02, 2013 | Dec. 01, 2012 | Sep. 01, 2012 | May 31, 2014 | Jun. 01, 2013 | Jun. 02, 2012
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Weighted Average Number of Shares Outstanding, Diluted |  |  |  |  |  |  |  |  | 14,165,000 | 15,372,000 | 17,118,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements |  |  |  |  |  |  |  |  | 0 | 134,000 | 152,000
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent | $ (2,843) | $ (112) | $ 631 | $ 1,979 | $ (1,419) | $ 586 | $ 581 | $ 734 | $ (345) | $ 482 | $ 7,990
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (3,856) | (2,323) | 5,211
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (3,856) | (2,323) | 5,211
Net income (loss) | (2,475) | (532) | 524 | 1,968 | (181) | 404 | 378 | 647 | (515) | 1,248 | 8,526
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  |  |  |  |  |  |  | 489,064 | 280,764 | 272,864
Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  | (515) | 1,248 | 8,526
Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  | (515) | 1,248 | 8,526
Common Stock |  |  |  |  |  |  |  |  |  |  |
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Weighted Average Number of Shares Outstanding, Basic |  |  |  |  |  |  |  |  | 11,915,000 | 12,448,000 | 14,025,000
Weighted Average Number of Shares Outstanding, Diluted |  |  |  |  |  |  |  |  | 11,915,000 | 15,372,000 | 17,118,000
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (3,296) | (1,933) | 4,384
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (3,296) | (1,937) | 4,391
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic | $ (0.18) | $ (0.04) | $ 0.04 | $ 0.14 | $ (0.02) | $ 0.03 | $ 0.03 | $ 0.04 | $ (0.04) | $ 0.08 | $ 0.51
Earnings Per Share, Diluted | $ (0.18) | $ (0.04) | $ 0.03 | $ 0.14 | $ (0.01) | $ 0.03 | $ 0.03 | $ 0.04 | $ (0.04) | $ 0.08 | $ 0.50
Common Stock | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 2,853 |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Denominator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Weighted Average Number of Shares Outstanding, Basic |  |  |  |  |  |  |  |  | 2,250,000 | 2,790,000 | 2,941,000
Weighted Average Number of Shares Outstanding, Diluted |  |  |  |  |  |  |  |  | 2,250,000 | 2,790,000 | 2,941,000
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (560) | (390) | 827
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (560) | (386) | 820
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic | $ (0.17) | $ (0.04) | $ 0.03 | $ 0.13 | $ (0.01) | $ 0.03 | $ 0.02 | $ 0.04 | $ (0.03) | $ 0.08 | $ 0.46
Earnings Per Share, Diluted | $ (0.17) | $ (0.04) | $ 0.03 | $ 0.13 | $ 0.00 | $ 0.03 | $ 0.02 | $ 0.04 | $ (0.03) | $ 0.08 | $ 0.46
Continuing Operations [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (3,686) | (3,089) | 4,675
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (3,686) | (3,089) | 4,675
Continuing Operations [Member] | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent |  |  |  |  |  |  |  |  | (345) | 482 | 7,990
Continuing Operations [Member] | Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent |  |  |  |  |  |  |  |  | (345) | 482 | 7,990
Continuing Operations [Member] | Common Stock |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (3,151) | (2,570) | 3,933
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (3,151) | (2,575) | 3,939
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic |  |  |  |  |  |  |  |  | $ (0.03) | $ 0.03 | $ 0.48
Earnings Per Share, Diluted |  |  |  |  |  |  |  |  | $ (0.03) | $ 0.03 | $ 0.47
Continuing Operations [Member] | Common Stock | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 2,853 | 2,971 | 2,787
Continuing Operations [Member] | Common Stock | Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 2,853 | 2,971 | 2,787
Continuing Operations [Member] | Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (535) | (519) | 742
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (535) | (514) | 736
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic |  |  |  |  |  |  |  |  | $ (0.02) | $ 0.03 | $ 0.43
Earnings Per Share, Diluted |  |  |  |  |  |  |  |  | $ (0.02) | $ 0.03 | $ 0.43
Continuing Operations [Member] | Class B Common Stock | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 488 | 600 | 528
Continuing Operations [Member] | Class B Common Stock | Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 488 | 600 | 528
Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (3,511) | (2,805) | (2,779)
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (3,511) | (2,805) | (2,779)
Discontinued Operations [Member] | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent |  |  |  |  |  |  |  |  | (170) | 766 | 536
Discontinued Operations [Member] | Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Attributable to Parent |  |  |  |  |  |  |  |  | (170) | 766 | 536
Discontinued Operations [Member] | Common Stock |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (3,001) | (2,334) | (2,338)
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (3,001) | (2,338) | (2,342)
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic |  |  |  |  |  |  |  |  | $ (0.01) | $ 0.05 | $ 0.03
Earnings Per Share, Diluted |  |  |  |  |  |  |  |  | $ (0.01) | $ 0.05 | $ 0.03
Discontinued Operations [Member] | Common Stock | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 2,853 | 2,971 | 2,787
Discontinued Operations [Member] | Common Stock | Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 2,853 | 2,971 | 2,787
Discontinued Operations [Member] | Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Undistributed Earnings, Basic |  |  |  |  |  |  |  |  | (510) | (471) | (441)
Undistributed Earnings, Diluted |  |  |  |  |  |  |  |  | (510) | (467) | (437)
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic |  |  |  |  |  |  |  |  | $ (0.01) | $ 0.05 | $ 0.03
Earnings Per Share, Diluted |  |  |  |  |  |  |  |  | $ (0.01) | $ 0.05 | $ 0.03
Discontinued Operations [Member] | Class B Common Stock | Basic [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | 488 | 600 | 528
Discontinued Operations [Member] | Class B Common Stock | Diluted [Member] |  |  |  |  |  |  |  |  |  |  |
Numerator for Basic and Diluted Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  |  |  |  |  | $ 488 | $ 600 | $ 528

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