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