STOCKHOLDERS' EQUITY (DEFICIT) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2021	Mar. 16, 2021
Stockholders' Equity [Line Items]
Common stock, authorized shares (in shares)	40,000,000		20,000,000
Common stock, par value (in dollars per share)	$ 0.50		$ 0.50
Equity Incentive Plan 2018
Stockholders' Equity [Line Items]
Shares authorized and reserved for issuance (in shares)	1,600,000		800,000
At The Market Offering
Stockholders' Equity [Line Items]
Common stock, par value (in dollars per share)				$ 0.50
Sale of stock, maximum aggregate sales price	$ 25,000
Common shares sold (in shares)	509,467	586,546
Proceeds from sale of common stock	$ 2,356	$ 1,736
At The Market Offering | Commissions And Fees
Stockholders' Equity [Line Items]
Stock issuance costs, commissions, fees, and ATM-related professional services	75	59
At The Market Offering | At The Market Related Professional Services
Stockholders' Equity [Line Items]
Stock issuance costs, commissions, fees, and ATM-related professional services	$ 22	$ 124