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Earnings per Share (EPS) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Earnings Per Share [Abstract]    
Net income available to common stockholders $ 76 $ 237
BASIC [Abstract]    
Weighted average common shares (in shares) 15,451,000 15,106,000
Net income per common share (in dollars per share) $ 0 $ 0.02
DILUTED [Abstract]    
Weighted average common shares (in shares) 15,451,000 15,106,000
Convertible notes (in shares) 798,000 815,000
Dilutive stock options (in shares) 0 3,000
Weighted average common shares outstanding (in shares) 16,249,000 15,924,000
Net income per common share (in dollars per share) $ 0 $ 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) 206,750 206,750
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) $ 2.71 $ 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