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Note 4 - Balance Sheet Details

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

4.	Balance Sheet Details

Property and Equipment

Property and equipment is comprised of the following (in thousands):

	December 31,
	2014			2013
Scientific equipment	$	4,793		$	4,371
Computer equipment and software		1,133			1,080
Furniture, fixtures and office equipment		351			344
Leasehold improvements		1,376			1,360
		7,653			7,155
Less: accumulated depreciation and amortization		(4,833	)		(4,273	)
	$	2,820		$	2,882

Depreciation and amortization expense for the years ended December 31, 2014, 2013 and 2012 was approximately $578,000, $333,000 and $197,000, respectively.

During the year ended December 31, 2014, we recognized $905,000 as an impairment loss due to the write-down of a piece of manufacturing-related equipment. In March 2013, we received a CRL from the FDA which included issues to address related to our manufacturing process. As such, we made changes to our supply chain which in turn made this piece of manufacturing-related equipment no longer of use. As of December 31, 2014, the estimated fair value of the equipment was approximately $115,000 which was based on our experience with the resale of used manufacturing equipment and the value of similar used equipment currently available for sale.

Accrued Payroll and Employee Liabilities and Other Accrued Expense

Accrued payroll and employee liabilities and other accrued expense consisted of the following (in thousands):

	December 31,
	2014		2013
Accrued employee salaries and benefits	$	719	$	796
Accrued bonuses		2,012		1,770
Total accrued payroll and employee liabilities	$	2,731	$	2,566

	December 31,
	2014		2013
Accrued professional fees	$	1,775	$	69
Accrued accounts payable		886		26
Deferred rent		105		131
Other accrued liabilities		165		138
Total other accrued expense	$	2,931	$	364