Summary of Significant Accounting Policies (Detail Textuals)	1 Months Ended	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2021 USD ($) Segment Unit	Mar. 31, 2020 USD ($)
Accounting Policies [Abstract]
Number of reportable segments | Segment		1
Number of reporting unit | Unit		1
Goodwill impairment charge			$ 295,000
Goodwill		$ 0
Goodwill, purchase accounting transactions		0
Impairment of long-lived assets		0	0
Uncertain tax positions		$ 0	$ 0
Interest income accrual on finance receivables suspension condition		Accrual of interest income on finance receivables is suspended when a loan is contractually delinquent for 61 days or more, or the collateral is repossessed, whichever is earlier.
Average dealer discount associated with new volume		7.50%	7.90%
Monthly servicing fee percent of outstanding financed receivables	2.50%