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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 |  |

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