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STATEMENTS OF CASH FLOWS DATA | 12 Months Ended
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Dec. 31, 2016
STATEMENTS OF CASH FLOWS DATA |
STATEMENTS OF CASH FLOWS DATA | 10. STATEMENTS OF CASH FLOWS DATA
|  | Year Ended December 31, |
|  | 2016 |  | 2015 |  | 2014 |
|  | (In thousands) |
Supplemental operating activities: |  |  |  |  |  |  |  |  |  |
Issuance of common stock for 401(k) matching contributions |  | $ | — |  | $ | — |  | $ | 313 |
Reclassification between deposits and other current assets |  | $ | — |  | $ | — |  | $ | 190 |
Supplemental investing activities: |  |  |  |  |  |  |  |  |  |
Net unrealized gain (loss) on marketable securities |  | $ | 160 |  | $ | (129 | ) | $ | (70 | )
We have not made any cash payments for taxes or interest for the years ended December 31, 2016, 2015 and 2014.

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