Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.A)
-URI http://asc.fasb.org/extlink&oid=27011391&loc=d3e105025-122735

Name:	us-gaap_DeferredOfferingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

STOCKHOLDERS' EQUITY (DEFICIT) - AT THE MARKET OFFERING (Details) - USD ($) $ / shares in Units, $ in Thousands	Mar. 31, 2021	Mar. 16, 2021	Sep. 30, 2020
Sale of Stock [Line Items]
Common stock, par value (in dollars per share)	$ 0.50		$ 0.50
Deferred offering costs	$ 483		$ 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
Entity public float, maximum amount	$ 75,000