Fair Value Measurements - Fair Value of Liabilities Measured on a Recurring Basis (Details) - Recurring - USD ($)	Sep. 30, 2019	Dec. 31, 2017
Fair value of liabilities measured on a recurring basis
Warrant liability	$ 10,029	$ 220,376
Total fair value	10,029	220,376
Level 3
Fair value of liabilities measured on a recurring basis
Warrant liability	10,029	220,376
Total fair value	$ 10,029	$ 220,376

Fair value portion of warrants not settleable in cash classified as equity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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