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. 30, 2019	$ 222	$ 33,327	$ (4,483)	$ (24,632)	$ 4,434
Beginning balance (in shares) at Jun. 30, 2019	22,208,000			(7,117,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation expense	$ 0	(104)	0	$ 0	(104)
Conversion of senior notes, net	$ 0	(31)	0	$ 95	64
Conversion of senior notes, net (in shares)	0			32,000
Issuance of common stock	$ 3	354	0	$ 0	357
Issuance of common stock (in shares)	342,000			0
Equity issue costs - ATM offering	$ 0	(15)	0	$ 0	(15)
Net Income	0	0	(4,233)	0	(4,233)
Ending balance at Jun. 28, 2020	$ 225	33,531	(8,716)	$ (24,537)	$ 503
Ending balance (in shares) at Jun. 28, 2020	22,550,000			(7,085,000)	15,465,222
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation expense	$ 0	80	0	$ 0	$ 80
Issuance of common stock	$ 26	3,735	0	$ 0	3,761
Issuance of common stock (in shares)	2,540,000			0
Equity issue costs - ATM offering	$ 0	(131)	0	$ 0	(131)
Net Income	0	0	1,520	0	1,520
Ending balance at Jun. 27, 2021	$ 251	$ 37,215	$ (7,196)	$ (24,537)	$ 5,733
Ending balance (in shares) at Jun. 27, 2021	25,090,000			(7,085,000)	18,004,904