Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Intangible Assets

Schedule of gross carrying amount and related accumulated amortization of the intangible assets

The following sets forth the gross carrying amount and related accumulated amortization of these intangible assets, in thousands:

			December 31, 2013				December 31, 2012
	Weighted- Average Life		Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Purchased patents		10.0	$	2,292	$	1,838	$	2,292	$	1,609
Patent defense costs(1)			$	704	$	—	$	—	$	—

(1)

Three U.S. patents have been issued covering Oxtellar XR, providing patent protection through 2027. The Company's patent defense costs will be capitalized until the outcome of the Watson litigation becomes known. Assuming a successful outcome of that litigation, these costs will commence amortization from that point of time forward.