Consolidated Balance Sheet Details

Inventory (in thousands)

Property and Equipment, Net (in thousands)



	December 31,
	2013			2012
Machinery, equipment and tooling	$	12,479		$	12,325
Construction in progress	6,222			5,068
Computer equipment and software	951			961
Leasehold improvements	783			783
Furniture and fixtures	628			685
Property and equipment, at cost	21,063			19,822
Less accumulated depreciation	(8,052		)	(6,261		)
	$	13,011		$	13,561

Depreciation expense for the years ended December 31, 2013, 2012 and 2011 was $1,806,000, $1,599,000 and $1,584,000, respectively.

Other Assets (in thousands)



	December 31,
	2013		2012
Prepaid Aradigm royalty expense	$	2,571	$	3,143
Prepaid Alkermes royalty expense	2,318		—
Debt acquisition costs	969		1,217
Deposits	431		840
Restricted cash	200		200
Other assets	125		—
	$	6,614	$	5,400

Accrued Expenses (in thousands)



	December 31,
	2013		2012
Accrued product returns	$	5,445	$	3,034
Accrued discounts and allowances	4,239		4,088
Accrued interest expense, current portion	3,033		2,526
Accrued clinical trial costs	1,238		1,012
Accrued sales and marketing costs	1,161		304
Astellas tail payment, current portion	1,131		1,820
Other accrued expenses	2,618		1,559
	$	18,865	$	14,343

Other Long-Term Liabilities (in thousands)



	December 31,
	2013		2012
Interest expense payable, less current portion	$	5,901	$	2,607
Deferred rent	77		214
Embedded derivatives	233		992
Astellas tail payment, less current portion	—		975
Other long-term liabilities	285		290
	$	6,496	$	5,078