Composition of Certain Balance Sheet Items (Tables)

3 Months Ended

Mar. 31, 2014

Composition of Inventory

The composition of inventory was as follows:

	March 31, 2014			December 31, 2013
	(in thousands)
Raw materials	$	4,373		$	4,318
Work in progress		11			2
Finished goods		1,073			1,226
Total inventory		5,457			5,546
Less strategic inventory classified as non-current		(4,330	)		(4,450	)
Total inventory classified as current	$	1,127		$	1,096

Other Accrued Liabilities

Other accrued liabilities consisted of the following:

	March 31, 2014		December 31, 2013
	(in thousands)
Accrued compensation	$	527	$	466
Professional fees		176		369
Commercialization costs		258		288
Government rebates		141		40
Legal fees		62		110
Other		107		28
	$	1,271	$	1,301