Stockholders' Equity - Warrants, Additional Information (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Class of Warrant or Right [Line Items]
Warrants issued		$ 24,000
Warrants to purchase common stock
Class of Warrant or Right [Line Items]
Warrants issued	$ 0

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.

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