ORGANIZATION AND ACCOUNTING POLICIES (Details Narrative) $ / shares in Units, shares in Thousands, ft² in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 01, 2019	Jun. 30, 2019 USD ($) ft² Properties shares	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) ft² Properties $ / shares shares	Jun. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) ft² Properties	Oct. 02, 2018 USD ($)
Subsequent Event [Line Items]
Number of real estate properties owned | Properties		113		113		111
Total square foot of property | ft²		21.8		21.8		21.2
Percentage of properties occupied				98.90%		99.60%
Weighted average lease maturity				7 years 9 months 18 days
Average base rent per square foot				6.23
Weighted average building age, term				9 years 1 month 6 days
REIT investment securities, description				We also own a portfolio of REIT investment securities, which we generally limit to no more than approximately 10% of our undepreciated assets (which is our total assets, excluding accumulated depreciation). We intend to reduce our portfolio of REIT investment securities to be no more than approximately 5% of our undepreciated assets by our 2020 fiscal yearend.
Total assets excluding accumulated depreciation		$ 2,100,000,000		$ 2,100,000,000
Available for sale of securities, current		171,000,000.0		$ 171,000,000.0
Percentage of marketable securities to undepreciated assets				8.20%
Percentage that may be deducted from qualified REIT dividends for tax purposes				20.00%
Amortization of compensation costs included in general and administrative expenses		$ 231,000	$ 98,000	$ 574,000	$ 339,000
Weighted average fair value of stock option | $ / shares				$ 1.17	$ 1.84
Number restricted stock shares granted | shares				25,000	12,500
Number of stock option exercised | shares				65,000	40,000
Weighted average exercise price per share | $ / shares				$ 8.72	$ 14.24
Total proceeds during period				$ 567,000	$ 570,000
Stock option shares available for grant | shares		1,200		1,200
Option to purchase shares outstanding | shares				1,100
Aggregate intrinsic value of options		$ 1,200,000		$ 1,200,000
Unrealized net holding losses reclassed		$ 0		$ 0		$ 24,744,000	$ 24,700,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Percentage of properties occupied	99.40%