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STOCKHOLDERS' EQUITY (DEFICIT) - AT THE MARKET OFFERING (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 2 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 13, 2021 | Jun. 30, 2021 | Jun. 30, 2021 | Mar. 16, 2021 | Sep. 30, 2020
Sale of Stock [Line Items] |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.50 | $ 0.50 |  | $ 0.50
Deferred offering costs |  | $ 294 | $ 294 |  | $ 0
At The Market Offering |  |  |  |  |
Sale of Stock [Line Items] |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.50 |
Sale of stock, maximum aggregate sales price |  | 25,000 | 25,000 |  |
Entity public float, maximum amount |  | $ 75,000 | 75,000 |  |
Common shares sold (in shares) |  | 586,546 |  |  |
Proceeds from sale of common stock |  | $ 1,860 |  |  |
Stock issuance costs, commission and fees |  | $ 59 |  |  |
Stock issuance costs incurred |  |  | 577 |  |
Adjustments to additional paid in capital, for stock issued, issuance costs |  |  | $ 283 |  |
At The Market Offering | Subsequent Event |  |  |  |  |
Sale of Stock [Line Items] |  |  |  |  |
Common shares sold (in shares) | 581,441 |  |  |  |
Proceeds from sale of common stock | $ 1,924 |  |  |  |
Stock issuance costs, commission and fees | $ 64 |  |  |  |

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