INCOME TAXES - Additional Information (Details) |
12 Months Ended | |||||
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Sep. 30, 2021
USD ($)
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Sep. 30, 2020
USD ($)
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Sep. 30, 2019
USD ($)
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Sep. 30, 2022
USD ($)
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Sep. 30, 2021
CNY (¥)
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Sep. 30, 2016
USD ($)
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Deferred tax assets | $ 353,460 | $ 724,612 | $ 289,756 | ¥ 353,460 | ||
Income tax rate | 15.00% | 15.00% | 15.00% | |||
Statute of limitations period (in years) | 3 years | |||||
Unrecognized tax benefits | $ 2,354,832 | $ 3,188,615 | $ 4,176,537 | $ 2,354,832 | $ 4,098,783 | |
State Administration of Taxation, China | ||||||
Income tax rate | 25.00% | |||||
State Administration of Taxation, China | Zhengkang | ||||||
Income tax rate | 15.00% | |||||
Preferential tax rate, validity period | 3 years | |||||
State Administration of Taxation, China | Zhengfeng and Weijia | ||||||
Income tax rate | 25.00% | |||||
Inland Revenue, Hong Kong | ZK Pipe Industry Co | ||||||
Income tax rate | 16.50% | |||||
Uganda Revenue Authority | ZK Uganda | ||||||
Income tax rate | 30.00% |
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Represents the preferential tax rate validity period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Represents the period of statute of limitations to collect unpaid taxes. No definition available.
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