Short-term Investments

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Short-term Investments

Short-term Investments

Short-term investments consist of shares of Pernix Therapeutic Holding Inc. common stock acquired in April 2015 as partial consideration for the purchase of the Zohydro ER business. The investments are subject to restrictions over disposition, pledging or assignment for six months after the closing date of the Zohydro ER sale as specified in the related Asset Purchase Agreement. Amortized cost represents the fair value at the date of acquisition as determined by the publicly traded quoted market value per share less a discount for lack of marketability.

	June 30, 2015
	Amortized Cost		Gross Unrealized Losses			Estimated Fair Value
Equity securities, available for sale	$	10,614	$	(1,552	)	$	9,062

As of June 30, 2015, there was no impairment considered other-than-temporary for the period presented as the Company has the intent and ability to hold the short-term investments for a period of time sufficient to allow for recovery of the cost basis.