LEASES AND GAIN ON SALE OF ASSET - NARRATIVE (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Oct. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets			$ 249
Operating lease liabilities			254
Proceeds from the sale of asset	$ 1,100		1,100	$ 0
Gain on sale of asset		$ 1,336	$ 1,336	$ 0
Gain from the reversal of the storage yard's lease liability in excess of the right-of-use-asset		$ 236
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets					$ 2,589
Operating lease liabilities					$ 2,589