Notes Receivable - Additional Information (Details) - USD ($)			1 Months Ended						3 Months Ended	9 Months Ended
	Jul. 06, 2018	Jun. 29, 2017	Sep. 30, 2019	May 31, 2019	Oct. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Feb. 28, 2018	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Mar. 31, 2019
Loans And Leases Receivable Disclosure [Line Items]
Provision for doubtful accounts											$ 200,000
Note Receivable Issued in June 2017 [Member] | Ebus,Inc. [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loan amount to unaffiliated third party		$ 500,000
Notes receivable, stated interest rate		9.00%
Notes receivable, maturity date		Dec. 31, 2017					Sep. 30, 2018	Jun. 30, 2018
Notes receivable, extension fee					$ 1,750		$ 35,000
Proceeds from interest on notes receivable	$ 18,750
Financing receivable, modifications, subsequent default, recorded investment									$ 500,000
Financing receivable, modifications, subsequent default, accrued extension fee									35,000
Provision for doubtful accounts									200,000
Notes receivable, accrued additional fee					$ 15,000
Notes receivable, additional interest rate on default													2.00%
Accrued interest										$ 13,749
Vehicles estimated fair-market value transferred												$ 7,000
Note Receivable Issued in September 2018 [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loan amount to unaffiliated third party						$ 200,000			$ 200,000		$ 200,000
Notes receivable, stated interest rate										9.00%
Notes receivable, maturity date						Dec. 31, 2020
Note receivable, conversion feature, trigger amount, gross proceeds to borrower			$ 500,000							$ 500,000
Notes receivable, accrued interest reclassified to principal			$ 18,542
Note Receivable Issued in May 2019 [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loan amount to unaffiliated third party				$ 38,000
Notes receivable, maturity date				Mar. 31, 2020