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STOCK BASED COMPENSATION PLANS, Information on Options Outstanding and Options Exercisable (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Jun. 27, 2021 | Jun. 28, 2020
Options Outstanding [Abstract] |  |
Options outstanding (in shares) | 166,750 |
Weighted-average remaining contractual life | 3 years |
Weighted-average exercise price (in dollars per share) | $ 5.49 |
Options Exercisable [Abstract] |  |
Shares exercisable (in shares) | 166,750 |
Weighted-average exercise price (in dollars per share) | $ 5.49 |
Stock compensation expense | $ 0 | $ 0
$2.76 - 3.30 [Member] |  |
Options Outstanding [Abstract] |  |
Range of exercise prices, lower range (in dollars per shares) | $ 2.76 |
Range of exercise prices, upper range (in dollars per shares) | $ 3.30 |
Options outstanding (in shares) | 55,000 |
Weighted-average remaining contractual life | 1 year |
Weighted-average exercise price (in dollars per share) | $ 3.11 |
Options Exercisable [Abstract] |  |
Shares exercisable (in shares) | 55,000 |
Weighted-average exercise price (in dollars per share) | $ 3.11 |
$3.31 - 3.95 [Member] |  |
Options Outstanding [Abstract] |  |
Range of exercise prices, lower range (in dollars per shares) | 3.31 |
Range of exercise prices, upper range (in dollars per shares) | $ 3.95 |
Options outstanding (in shares) | 50,000 |
Weighted-average remaining contractual life | 5 years |
Weighted-average exercise price (in dollars per share) | $ 3.95 |
Options Exercisable [Abstract] |  |
Shares exercisable (in shares) | 50,000 |
Weighted-average exercise price (in dollars per share) | $ 3.95 |
$5.51 - 5.74 [Member] |  |
Options Outstanding [Abstract] |  |
Range of exercise prices, lower range (in dollars per shares) | 5.51 |
Range of exercise prices, upper range (in dollars per shares) | $ 5.74 |
Options outstanding (in shares) | 8,664 |
Weighted-average remaining contractual life | 2 years |
Weighted-average exercise price (in dollars per share) | $ 5.74 |
Options Exercisable [Abstract] |  |
Shares exercisable (in shares) | 8,664 |
Weighted-average exercise price (in dollars per share) | $ 5.74 |
$5.95 - 6.25 [Member] |  |
Options Outstanding [Abstract] |  |
Range of exercise prices, lower range (in dollars per shares) | 5.95 |
Range of exercise prices, upper range (in dollars per shares) | $ 6.25 |
Options outstanding (in shares) | 28,800 |
Weighted-average remaining contractual life | 3 years |
Weighted-average exercise price (in dollars per share) | $ 6.23 |
Options Exercisable [Abstract] |  |
Shares exercisable (in shares) | 28,800 |
Weighted-average exercise price (in dollars per share) | $ 6.23 |
$6.26 - 13.11 [Member] |  |
Options Outstanding [Abstract] |  |
Range of exercise prices, lower range (in dollars per shares) | 6.26 |
Range of exercise prices, upper range (in dollars per shares) | $ 13.11 |
Options outstanding (in shares) | 24,286 |
Weighted-average remaining contractual life | 4 years |
Weighted-average exercise price (in dollars per share) | $ 13.11 |
Options Exercisable [Abstract] |  |
Shares exercisable (in shares) | 24,286 |
Weighted-average exercise price (in dollars per share) | $ 13.11 |

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