Stock Purchase Warrants - Additional Information (Detail)	3 Months Ended
Mar. 31, 2016
Equity [Abstract]
Weighted-average remaining lives	3 years 6 months 11 days

Class Of Warrant Or Right Weighted Average Remaining Life Of Warrants Or Rights

No definition available.

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Namespace Prefix:	aeri_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration