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Quarterly Financial Information (Unaudited) - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012 Officers	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Other revenue recorded for the termination of the supply agreement with Actavis	$ 300,000
Severance costs		900,000
Number of executive officers departure		2
Write-down of impaired assets		$ 900,000	$ 889,869

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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