Concentrations (Details)	Apr. 30, 2017 USD ($)
Risks and Uncertainties [Abstract]
Amount of cash balance uninsured by FDIC	$ 2,687,461

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

No definition available.

Name:	us-gaap_CashUninsuredAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant