v3.3.1.900

Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Interest and penalties accrued | $ 0 |
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits |  |
Balance at beginning of year | 1,360 | $ 898
Additions based on tax positions related to the current year | 1,045 | 462
Balance at end of year | 2,405 | 1,360
Research and development tax credit carryforward |  |
Unrecognized tax benefits increased | $ 1,000 | $ 500

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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 + Details
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