CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Beginning balance at Jun. 25, 2017	$ 178	$ 26,784	$ (4,405)	$ (24,636)	$ (2,079)
Beginning balance (in shares) at Jun. 25, 2017	10,667,000			(7,119,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation expense	$ 0	115	0	$ 0	115
Conversion of senior notes, net	$ 6	1,308	0	$ 0	1,314
Conversion of senior notes, net (in shares)	614,000			0
Issuance of common stock	$ 38	5,140	0	$ 0	5,178
Issuance of common stock (in shares)	3,766,000			0
Equity issue costs - Sr conv notes	$ 0	(92)	0	$ 0	(92)
Equity issue costs - ATM offering	0	(49)	0	0	(49)
Net income / (loss)	0	0	1,912	0	1,912
Ending balance at Jun. 24, 2018	$ 222	33,206	(2,493)	$ (24,636)	6,299
Ending balance (ASC 606 [Member]) at Jun. 24, 2018					$ 4,677
Ending balance (in shares) at Jun. 24, 2018	15,047,000			(7,119,000)	15,047,470
Increase (Decrease) in Stockholders' Equity [Roll Forward]
ASC 606 cumulative opening adjustment | ASC 606 [Member]	$ 0	0	(1,622)	$ 0	$ (1,622)
ASC 606 Q4 tax adjustment | ASC 606 [Member]	0	0	382	0	382
Stock compensation expense	0	36	0	0	36
Conversion of senior notes, net	$ 0	0	0	$ 4	4
Conversion of senior notes, net (in shares)	0			2,000
Issuance of common stock	$ 0	88	0	$ 0	88
Issuance of common stock (in shares)	44,000			0
Equity issue costs - ATM offering	$ 0	(3)	0	$ 0	(3)
Net income / (loss)	0	0	(750)	0	(750)
Ending balance at Jun. 30, 2019	$ 222	$ 33,327	$ (4,483)	$ (24,632)	$ 4,434
Ending balance (in shares) at Jun. 30, 2019	15,091,000			(7,117,000)	15,090,837