Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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STOCKHOLDERS' EQUITY (DEFICIT) - SHARE-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 09, 2021	Sep. 30, 2021	Sep. 30, 2020
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)	665,000
Share-based compensation expense		$ 643	$ 0
Income tax effect related to share-based compensation expense		0	$ 0
Total unrecognized compensation cost		$ 1,005
Period over which unrecognized compensation cost is expected to be recognized		2 years 4 months 24 days
Share-based Payment Arrangement, Tranche One
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)	605,000
Shares exercise price	$ 3.33
Shares vesting period	3 years
Shares expiration period	10 years
Share-based Payment Arrangement, Tranche Two
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)	60,000
Shares exercise price	$ 3.66
Shares vesting period	3 years
Shares expiration period	5 years
Share-based Payment Arrangement, Independent Director
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)	310,000
Share-based Payment Arrangement, Employee
Share-based compensation arrangement by share-based payment award [Line Items]
Number of shares granted (in shares)	355,000
2018 Equity Incentive Plan
Share-based compensation arrangement by share-based payment award [Line Items]
Shares authorized and reserved for issuance (in shares)		800,000
Number of shares available for grant (in shares)		135,000