Warrants - Additional Information (Details) - $ / shares	9 Months Ended
Sep. 30, 2018	Mar. 31, 2018
Warrants And Rights Note Disclosure [Abstract]
Warrants issued to acquire shares		18,123
Warrants exercise price		$ 7.73
Warrants expiration date	Mar. 31, 2018
Warrants expiration description	tenth anniversary

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant