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Earnings per Share (EPS) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 28, 2021
Mar. 29, 2020
Mar. 28, 2021
Mar. 29, 2020
Earnings Per Share [Abstract]        
Net income available to common stockholders $ 416 $ (4,515) $ 594 $ (4,264)
BASIC [Abstract]        
Weighted average common shares (in shares) 17,991,000 15,133,000 17,061,000 15,123,000
Net income (loss) per common share (in dollars per share) $ 0.02 $ (0.30) $ 0.03 $ (0.28)
DILUTED [Abstract]        
Weighted average common shares (in shares) 17,991,000 15,133,000 17,061,000 15,123,000
Convertible notes (in shares) 798,000 0 798,000 0
Dilutive stock options (in shares) 0 0 0 0
Weighted average common shares outstanding (in shares) 18,789,000 15,133,000 17,859,000 15,123,000
Net income (loss) per common share (in dollars per share) $ 0.02 $ (0.30) $ 0.03 $ (0.28)
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) 206,750 216,550 206,750 216,550
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 $ 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 $ 13.11 $ 13.11