Proceeds Received Under Escrow Arrangement - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
Apr. 30, 2016	Nov. 05, 2016
Related Party Transaction [Line Items]
Proceeds received under escrow arrangement		$ 788,566
Majestic 21 [Member]
Related Party Transaction [Line Items]
Proceeds received under escrow arrangement	$ 788,566

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration