Convertible Preferred Stock (Predecessor) - Convertible Preferred Stock Warrants (Details)	Dec. 31, 2016 $ / shares shares
Convertible Preferred Stock (Predecessor)
Warrants to purchase shares of Company's Series B convertible preferred stock \| shares	342,011
Exercise price \| $ / shares	$ 7.3097

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://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

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