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Net Loss Per Share | 12 Months Ended
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Dec. 31, 2016
Net Loss Per Share [Abstract] |
Net Loss Per Share | NOTE 10. NET LOSS PER SHARE The following table presents the computation of basic and diluted net loss per share (in thousands, except per share amounts): ﻿
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﻿ |  |  |  |  |  |  |  |
﻿ | Years Ended December 31,
﻿ | 2016 |  | 2015 |  | 2014
﻿Numerator: |  |  |  |
﻿Net loss | $ | (74,375) |  | $ | (31,696) |  | $ | (66,160)
﻿Denominator: |  |  |  |  |  |  |  |
﻿Weighted average shares used in computation of basic and diluted net loss per share |  | 89,148 |  |  | 75,614 |  |  | 70,475
﻿Basic and diluted net loss per share | $ | (0.83) |  | $ | (0.42) |  | $ | (0.94)
﻿ The following options outstanding and warrants to purchase common stock were excluded from the computation of diluted net loss per share for the periods presented because the effect of including such shares would have been antidilutive in the periods presented: ﻿
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﻿ | Years Ended December 31,
﻿(in thousands) | 2016 |  | 2015 |  | 2014
﻿Options outstanding | 22,501 |  | 19,468 |  | 16,491
﻿Warrants to purchase common stock | — |  | 5,500 |  | 5,500
﻿

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