INCOME (LOSS) PER SHARE (Details) - shares	12 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Employee stock options
LOSS PER SHARE
Shares included in computing diluted income (loss)	674,000
Shares excluded in computing diluted income (loss)		711,760
Common shares issuable upon conversion of preferred shares
LOSS PER SHARE
Shares excluded in computing diluted income (loss)	0	12,500

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration