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Note 4 - Balance Sheet Details | 12 Months Ended
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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 |

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