LITIGATION (Details) (FCB)	12 Months Ended	1 Months Ended	0 Months Ended
Dec. 31, 2012 item	Apr. 30, 2012 Infringement of patent Upsher-Smith litigation item	May 24, 2012 Infringement of patent Watson litigation item
LITIGATION
Number of additional patents in the suit		8
Number of patents listed in the Orange Book	10
Number of patents against which lawsuit was filed			10

Represents the number of additional patents for which a patent infringement lawsuit has been filed against the entity.

No definition available.

Name:	auxl_LossContingencyNumberOfAdditionalPatentsInLitigation
Namespace Prefix:	auxl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration