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CONSOLIDATED STATEMENTS OF CASH FLOW DATA | 12 Months Ended
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Dec. 31, 2014
CONSOLIDATED STATEMENTS OF CASH FLOW DATA |
CONSOLIDATED STATEMENTS OF CASH FLOW DATA | 13. CONSOLIDATED STATEMENTS OF CASH FLOWS DATA
|  | Year Ended December 31, |
|  | 2014 |  | 2013 |  | 2012 |
|  | (In thousands) |
Supplemental operating activities: |  |  |  |  |  |  |  |  |  |
Issuance of common stock for services rendered to date or to be received in future periods |  | $ | — |  | $ | — |  | $ | 69 |
Issuance of common stock for 401(k) matching contributions |  | $ | 313 |  | $ | 839 |  | $ | 1,361 |
Reclassification between deposits and other current assets |  | $ | 190 |  | $ | 219 |  | $ | 526 |
Supplemental investing activities: |  |  |  |  |  |  |  |  |  |
Net unrealized loss on marketable securities |  | $ | (70 | ) | $ | (54 | ) | $ | (38 | )
We have not made any cash payments for taxes or interest for the years ended December 31, 2014, 2013 and 2012.

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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