Operating Leases - Additional information (Detail) - USD ($)	Sep. 30, 2019	Jan. 01, 2019
Operating lease right-of-use assets	$ 165,033
Accounting Standards Update 2016-02 [Member]
Operating lease right-of-use assets		$ 217,095
Operating lease liability		$ 217,095

Present value of lessee's discounted obligation for lease payments from operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant