DEBT (Details Narrative) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 15, 2019	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Debt Instrument [Line Items]
Interest expense amortization of financing costs		$ 322,000	$ 320,000	$ 758,000	$ 637,000
Weighted average interest rate percentage				4.04%	4.07%	4.03%
Notes payable maturity period				11 years 3 months 18 days	11 years 7 months 6 days	11 years 3 months 18 days
Proceeds from fixed rate mortgage notes payable				$ 61,900,000	$ 72,500,000
Unsecured term loan	$ 75,000,000.0
Line of credit, unsecured term loan maximum borrowing capacity	300,000,000.0
Additional line of credit facility	$ 100,000,000.0
Line of credit facility, description	Under the New Facility the capitalization rate applied to our NOI generated by our unencumbered, wholly-owned industrial properties was lowered from 6.5% under the former line of credit facility to 6.25%, thus increasing the value of the borrowing base properties under the terms of the New Facility
Unsecured revolving line of credit, interest rate description	LIBOR plus 135 basis points to 205 basis points
Unsecured revolving line of credit, BMO interest rate description	Bank of Montreal’s (BMO) prime lending rate plus 35 basis points to 105 basis points
Unsecured revolving line of credit, interest rate description on current leverage ratio	LIBOR plus 145 basis points
Coverage ratio				50.00%
Margin loan, interest rate		0.75%	3.00%	0.75%	3.00%
Amount of drawn down under margin loan		$ 0	$ 19,800,000	$ 0	$ 19,800,000
Term Loan [Member]
Debt Instrument [Line Items]
Loan maturity term	January 2025
Debt instrument interest rate description	The interest rate for borrowings under the Term Loan will at our election, either i) bear interest at LIBOR plus 130 basis points to 200 basis points, depending on our leverage ratio, or ii) bear interest at BMO’s prime lending rate plus 30 basis points to 100 basis points, depending on our leverage ratio. To reduce floating interest rate exposure under the Term Loan, we also entered into an interest rate swap agreement to fix LIBOR on the entire $75.0 million for the full duration of the Term Loan resulting in an all-in rate of 2.92%.
Term loan interest rate	2.92%
New Facility [Member]
Debt Instrument [Line Items]
Line of credit current borrowing capacity	$ 225,000,000.0
Total amount available including the accordion on the line of credit facility	$ 400,000,000.0
Line of credit facility, description	Availability under the New Facility is limited to 60% of the value of the borrowing base properties. The value of the borrowing base properties is determined by applying a capitalization rate to the NOI generated by our unencumbered, wholly-owned industrial properties
New Revolver [Member]
Debt Instrument [Line Items]
Line of credit facility, description	January 2024 with two options to extend for additional six-month periods
Additional interest rate borrowings, description	the interest rate for borrowings under the Revolver was lowered by a range of 5 basis points to 35 basis points, depending on our leverage ratio
Interest rate	3.05%
Mortgage Loan [Member] | Indianapolis, IN MSA [Member]
Debt Instrument [Line Items]
Mortgage loan amortization period				18 years
Mortgage Loan [Member] | Columbus, OH MSA [Member]
Debt Instrument [Line Items]
Loan amortization period				10 years
Two Mortgages Loans [Member]
Debt Instrument [Line Items]
Weighted average interest rate percentage				4.15%
Notes payable maturity period				16 years 9 months 18 days
Proceeds from fixed rate mortgage notes payable				$ 61,900,000
Repaid Self Amortizing Mortgage Loans [Member]
Debt Instrument [Line Items]
Weighted average interest rate percentage				5.52%
Minimum [Member]
Debt Instrument [Line Items]
Annual interest rate				3.45%
Maximum [Member]
Debt Instrument [Line Items]
Annual interest rate				6.875%