Leases (Details) - Weighted average remaining lease terms are as follows at September 30, 2020:  | 
Sep. 30, 2020  | 
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| Weighted average remaining lease terms are as follows at September 30, 2020: [Abstract] | |
| Operating leases | 1 year 328 days | 
| Finance Leases | 2 years | 
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- References No definition available. 
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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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