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Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 23, 2018	Dec. 24, 2017	Dec. 23, 2018	Dec. 24, 2017	Jun. 24, 2018	Mar. 03, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Income/(loss) from continuing operations	$ 232	$ (397)	$ 340	$ (528)
Loss from discontinued operations	0	(180)	0	(405)
Net income/(loss) available to common stockholders	232	(577)	340	(933)
Interest saved on convertible notes of $1,574 at 4%	16	0	31	0
Adjusted net income/(loss)	$ 248	$ (577)	$ 371	$ (933)
BASIC [Abstract]
Weighted average common shares (in shares)	15,071,000	14,344,000	15,068,000	12,742,000
Income/(loss) from continuing operations per common share (in dollars per share)	$ 0.02	$ (0.03)	$ 0.02	$ (0.04)
Loss from discontinued operations per common share (in dollars per share)	0	(0.01)	0	(0.03)
Net income / (loss) (in dollars per share)	$ 0.02	$ (0.04)	$ 0.02	$ (0.07)
DILUTED [Abstract]
Weighted average common shares (in shares)	15,071,000	14,344,000	15,068,000	12,742,000
Convertible notes (in shares)	833,000	0	833,000	0
Dilutive stock options (in shares)	0	0	0	0
Weighted average common shares outstanding (in shares)	15,904,000	14,344,000	15,901,000	12,742,000
Income/(loss) from continuing operations per common share (in dollars per share)	$ 0.02	$ (0.03)	$ 0.02	$ (0.04)
Loss from discontinued operations per common share (in dollars per share)	0	(0.01)	0	(0.03)
Net income / (loss) (in dollars per share)	$ 0.02	$ (0.04)	$ 0.02	$ (0.07)
Convertible notes	$ 1,574		$ 1,574		$ 1,562
Convertible Senior Notes [Member]
DILUTED [Abstract]
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

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