Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 24, 2019	Mar. 25, 2018	Mar. 24, 2019	Mar. 25, 2018	Dec. 23, 2018	Jun. 24, 2018	Mar. 03, 2017
Earnings Per Share [Abstract]
Income/(loss) from continuing operations	$ (263)	$ (475)	$ 77	$ (1,003)
Loss from discontinued operations	0	(17)	0	(422)
Net income/(loss) available to common stockholders	(263)	(492)	77	(1,425)
Interest saved on convertible notes of $1,574 at 4%	16	0	47	0
Adjusted net income/(loss)	$ (247)	$ (492)	$ 124	$ (1,425)
BASIC [Abstract]
Weighted average common shares (in shares)	15,071,000	14,940,000	15,069,000	13,456,000
Income/(loss) from continuing operations per common share (in dollars per share)	$ (0.02)	$ (0.03)	$ 0.01	$ (0.08)
Loss from discontinued operations per common share (in dollars per share)	0	0	0	(0.03)
Net income / (loss) (in dollars per share)	$ (0.02)	$ (0.03)	$ 0.01	$ (0.11)
DILUTED [Abstract]
Weighted average common shares (in shares)	15,071,000	14,940,000	15,069,000	13,456,000
Convertible notes (in shares)	0	0	833,000	0
Dilutive stock options (in shares)	0	0	0	0
Weighted average common shares outstanding (in shares)	15,071,000	14,940,000	15,902,000	13,456,000
Income/(loss) from continuing operations per common share (in dollars per share)	$ (0.02)	$ (0.03)	$ 0.01	$ (0.08)
Loss from discontinued operations per common share (in dollars per share)	0	0	0	(0.03)
Net income / (loss) (in dollars per share)	$ (0.02)	$ (0.03)	$ 0.01	$ (0.11)
Convertible notes	$ 1,581		$ 1,581			$ 1,562
Convertible Senior Notes [Member]
DILUTED [Abstract]
Convertible notes					$ 1,574
Interest on convertible notes	4.00%		4.00%				4.00%
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)	288,056		288,056
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)	$ 1.55		$ 1.55
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