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Earnings per Share (EPS) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 26, 2021
Dec. 27, 2020
Earnings Per Share [Abstract]        
Net income available to common shareholders $ 457 $ 102 $ 742 $ 178
BASIC [Abstract]        
Weighted average common shares (in shares) 18,005,000 17,712,000 18,005,000 16,596,000
Net income per common share (in dollars per share) $ 0.03 $ 0.01 $ 0.04 $ 0.01
DILUTED [Abstract]        
Weighted average common shares (in shares) 18,005,000 17,712,000 18,005,000 16,596,000
Convertible notes (in shares) 798,000 798,000 798,000 798,000
Dilutive stock options (in shares) 0 0 0 0
Weighted average common shares outstanding (in shares) 18,803,000 18,510,000 18,803,000 17,394,000
Net income per common share (in dollars per share) $ 0.02 $ 0.01 $ 0.04 $ 0.01
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings per Share [Abstract]        
Options to purchase shares of common stock excluded from computation of diluted EPS (in shares) 166,750 206,750 166,750 206,750
Stock Options [Member] | Minimum [Member]        
Antidilutive Securities Excluded from Computation of Earnings per Share [Abstract]        
Options to purchase shares of common stock exercise price (in dollars per share) $ 3.11 $ 2.71 $ 3.11 $ 2.71
Stock Options [Member] | Maximum [Member]        
Antidilutive Securities Excluded from Computation of Earnings per Share [Abstract]        
Options to purchase shares of common stock exercise price (in dollars per share) $ 13.11 $ 13.11 $ 13.11 $ 13.11