SHAREHOLDERS' EQUITY (Details) - USD ($)		12 Months Ended
	Dec. 05, 2017	Jun. 27, 2021	Jun. 28, 2020	Apr. 22, 2009
Treasury Stock, Shares [Abstract]
Repurchase of shares (in shares)		0
Number of common stock shares available to be repurchased (in shares)		848,425
Sale of Stock [Abstract]
Proceeds from sale of common stock in ATM offering		$ 3,761,000	$ 357,000
Amended 2007 Stock Purchase Plan [Member]
Treasury Stock, Shares [Abstract]
Number of common stock shares authorized to purchase (in shares)				3,016,000
2017 ATM Offering [Member]
Sale of Stock [Abstract]
Aggregate offering price	$ 5,000,000
Sale of common stock in ATM offering (in shares)		3,064,342
Proceeds from sale of common stock in ATM offering		$ 4,400,000
Percentage of offering fee in gross sales		3.00%
Expenses associated with ATM Offering		$ 131,000