Severance Charges (Details) (USD $)	12 Months Ended
Dec. 31, 2012 Employee	Dec. 31, 2011 Employee	Dec. 31, 2013
Severance Charges [Abstract]
Number of employees severance agreements entered with		6
Number of employees received severance payment	2	4
Accrued severance, amount less than	$ 25,000		$ 25,000

Threshold liability amount maximum at the end of the period (amount not exceeded), under which the amount is due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

No definition available.

Name:	akrx_AccruedSeveranceBenefitsThreshold
Namespace Prefix:	akrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant