Consolidated Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2012

Balance Sheet Related Disclosures [Abstract]

Inventory, Net

Inventory, Net (in thousands)

	December 31,
	2012		2011
Raw materials	$	4,867	$	5,785
Work in process	6,134		7,338
Finished goods	1,885		3,653
	$	12,886	$	16,776

Property and Equipment, Net

Depreciation is calculated on a straight-line basis over the estimated useful lives of the respective assets, as follows:

Computer equipment and software	3 years
Furniture and fixtures	3-7 years
Manufacturing equipment and tooling	3-15 years
Leasehold improvements	Shorter of estimated useful life or lease term

Property and Equipment, Net (in thousands)

	December 31,
	2012			2011
Machinery, equipment and tooling	$	12,325		$	11,902
Construction in progress	5,068			5,416
Computer equipment and software	961			1,122
Leasehold improvements	783			780
Furniture and fixtures	685			562
Property and equipment, at cost	19,822			19,782
Less accumulated depreciation	(6,261		)	(5,192		)
	$	13,561		$	14,590

Other Assets

Other Assets (in thousands)

	December 31,
	2012		2011
Prepaid Aradigm royalty expense	$	3,143	$	3,429
Deposits	840		565
Debt acquisition costs	1,217		1,432
Restricted cash	200		200
	$	5,400	$	5,626

Accrued Expenses

Accrued Expenses (in thousands)

	December 31,
	2012		2011
Accrued discounts and allowances	$	4,088	$	2,153
Accrued product returns	3,034		2,446
Accrued interest expense, current portion	2,526		1,924
Astellas tail payment, current portion	1,820		—
Other accrued expenses	2,875		4,225
	$	14,343	$	10,748

Other Long-Term Liabilities

Other Long-Term Liabilities (in thousands)

	December 31,
	2012		2011
Interest expense payable, less current portion	$	2,607	$	—
Astellas tail payment, less current portion	975		4,016
Embedded derivatives	992		845
Deferred Rent	214		303
Term loan final payment	—		642
Other long-term liabilities	290		85
	$	5,078	$	5,891