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SIGNIFICANT ACCOUNTING POLICIES AND DISCLOSURES (Details 7) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
May 28, 2016
Feb. 27, 2016
Nov. 28, 2015
Aug. 29, 2015
May 30, 2015
Feb. 28, 2015
Nov. 29, 2014
Aug. 30, 2014
May 28, 2016
May 30, 2015
May 31, 2014
Denominator for Basic and Diluted Earnings Per Share [Abstract]                      
Weighted Average Number of Shares Outstanding, Diluted                 13,049 13,833 14,165
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements                 0 0 0
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Income (Loss) from Continuing Operations Attributable to Parent $ (155) $ (2,926) $ (2,286) $ (1,399) $ (2,103) $ (2,198) $ (1,144) $ (83) $ (6,766) $ (5,528) $ (345)
Undistributed losses, Basic                 (9,845) (8,819) (3,856)
Undistributed losses, Diluted                 (9,845) (8,819) (3,856)
Net loss $ (155) $ (2,926) $ (2,286) $ (1,399) $ (2,221) $ (2,198) $ (1,057) $ (83) $ (6,766) $ (5,559) $ (515)
Earnings Per Share, Basic and Diluted [Abstract]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount                 890 881 489
Common Stock [Member]                      
Denominator for Basic and Diluted Earnings Per Share [Abstract]                      
Weighted Average Number of Shares Outstanding, Basic                 10,908 11,682 11,915
Weighted Average Number of Shares Outstanding, Diluted                 10,908 11,682 11,915
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                   $ (7,565) $ (3,296)
Undistributed losses, Diluted                   $ (7,565) $ (3,296)
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic                 $ (0.53) $ (0.41) $ (0.04)
Earnings Per Share, Diluted                 $ (0.53) $ (0.41) $ (0.04)
Common Class B [Member]                      
Denominator for Basic and Diluted Earnings Per Share [Abstract]                      
Weighted Average Number of Shares Outstanding, Basic                 2,141 2,151 2,250
Weighted Average Number of Shares Outstanding, Diluted                 2,141 2,151 2,250
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                   $ (1,254) $ (560)
Undistributed losses, Diluted                   $ (1,254) $ (560)
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic                 $ (0.47) $ (0.36) $ (0.03)
Earnings Per Share, Diluted                 $ (0.47) $ (0.36) $ (0.03)
Common Class B [Member]                      
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic $ (0.01) $ (0.21) $ (0.16) $ (0.10) $ (0.14) $ (0.15) $ (0.06) $ (0.01)      
Earnings Per Share, Diluted (0.01) (0.21) (0.16) (0.10) (0.14) (0.15) (0.06) (0.01)      
Common Stock [Member]                      
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic (0.01) (0.23) (0.18) (0.10) (0.17) (0.16) (0.07) (0.01)      
Earnings Per Share, Diluted $ (0.01) $ (0.23) $ (0.18) $ (0.10) $ (0.17) $ (0.16) $ (0.07) $ (0.01)      
Continuing Operations [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                 $ (9,845) $ (8,788) $ (3,686)
Undistributed losses, Diluted                 (9,845) (8,788) (3,686)
Continuing Operations [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                 (1,478) (1,249) (535)
Undistributed losses, Diluted                 $ (1,478) $ (1,249) $ (535)
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic                 $ (0.47) $ (0.36) $ (0.02)
Earnings Per Share, Diluted                 $ (0.47) $ (0.36) $ (0.02)
Continuing Operations [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                 $ (8,367) $ (7,539) $ (3,151)
Undistributed losses, Diluted                 $ (8,367) $ (7,539) $ (3,151)
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic                 $ (0.53) $ (0.41) $ (0.03)
Earnings Per Share, Diluted                 $ (0.53) $ (0.41) $ (0.03)
Discontinued Operations [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                 $ (3,079) $ (3,291) $ (3,511)
Undistributed losses, Diluted                 (3,079) (3,291) (3,511)
Discontinued Operations [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                 (464) (468) (510)
Undistributed losses, Diluted                 (464) $ (468) $ (510)
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic                   $ (0.01) $ (0.01)
Earnings Per Share, Diluted                   $ (0.01) $ (0.01)
Discontinued Operations [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Undistributed losses, Basic                 (2,615) $ (2,823) $ (3,001)
Undistributed losses, Diluted                 (2,615) $ (2,823) $ (3,001)
Earnings Per Share, Basic and Diluted [Abstract]                      
Earnings Per Share, Basic                   $ (0.01) $ (0.01)
Earnings Per Share, Diluted                   $ (0.01) $ (0.01)
Basic [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Net loss                 (6,766) $ (5,559) $ (515)
Basic [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 464 488 466
Basic [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 2,615 2,794 2,853
Basic [Member] | Continuing Operations [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Income (Loss) from Continuing Operations Attributable to Parent                 (6,766) (5,528) (345)
Basic [Member] | Continuing Operations [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 464 466 488
Basic [Member] | Continuing Operations [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 2,615 2,794 2,853
Basic [Member] | Discontinued Operations [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Income (Loss) from Continuing Operations Attributable to Parent                 0 (31) (170)
Basic [Member] | Discontinued Operations [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 464 466 488
Basic [Member] | Discontinued Operations [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 2,615 2,794 2,853
Diluted [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Net loss                 (6,766) (5,559) (515)
Diluted [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                   2,794  
Diluted [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 464 488 466
Diluted [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 2,615   2,853
Diluted [Member] | Continuing Operations [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Income (Loss) from Continuing Operations Attributable to Parent                 (6,766) (5,528) (345)
Diluted [Member] | Continuing Operations [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 464 466 488
Diluted [Member] | Continuing Operations [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 2,615 2,794 2,853
Diluted [Member] | Discontinued Operations [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Income (Loss) from Continuing Operations Attributable to Parent                 0 (31) (170)
Diluted [Member] | Discontinued Operations [Member] | Common Class B [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 464 466 488
Diluted [Member] | Discontinued Operations [Member] | Common Stock [Member]                      
Numerator for Basic and Diluted Earnings Per Share [Abstract]                      
Dividends                 $ 2,615 $ 2,794 $ 2,853