CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ASC 606 cumulative opening adjustment | ASC 606 [Member]			$ (1,622)		$ (1,622)
Beginning balance at Jun. 24, 2018	$ 222	$ 33,206	(2,493)	$ (24,636)	6,299
Beginning balance (in shares) at Jun. 24, 2018	22,167			(7,119)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation expense	$ 0	101	0	$ 0	101
Conversion of senior notes, net	$ 0	0	0	$ 0	0
Conversion of senior notes, net (in shares)	0			0
Issuance of common stock	$ 0	36	0	$ 0	36
Issuance of common stock (in shares)	24			0
Net income	$ 0	0	108	$ 0	108
Ending balance at Sep. 23, 2018	$ 222	33,343	(4,007)	$ (24,636)	4,922
Ending balance (in shares) at Sep. 23, 2018	22,191			(7,119)
Beginning balance at Jun. 30, 2019	$ 222	33,327	(4,483)	$ (24,632)	$ 4,434
Beginning balance (in shares) at Jun. 30, 2019	22,208				15,090,837
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of senior notes, net	$ 0	(31)	0	$ 95	$ 64
Conversion of senior notes, net (in shares)	0			32
Equity issue costs - ATM Offering	$ 0	(2)	0	$ 0	(2)
Net income	0	0	237	0	237
Ending balance at Sep. 29, 2019	$ 222	$ 33,294	$ (4,246)	$ (24,537)	$ 4,733
Ending balance (in shares) at Sep. 29, 2019	22,208			(7,085)	15,122,887