Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 2018 - USD ($) $ in Thousands |
Total |
Common Stock |
Additional Paid-in Capital |
Receivables from the Exercises of Options |
Accumulated Deficit |
|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2017 | $ 53,302 | $ 4 | $ 1,142,213 | $ (449) | $ (1,088,466) |
| Beginning Balance (in shares) at Dec. 31, 2017 | 37,594,851 | 37,594,851 | |||
| Stock-based compensation | $ 25,352 | 25,352 | |||
| Shares issued or restricted stock units vested under employee stock plans | 3,147 | 2,766 | 381 | ||
| Shares issued or RSUs vested under employee stock plans (in shares) | 167,668 | ||||
| Net loss | (24,345) | (24,345) | |||
| Ending Balance at Mar. 31, 2018 | $ 57,456 | $ 4 | $ 1,170,331 | $ (68) | $ (1,112,811) |
| Ending Balance (in shares) at Mar. 31, 2018 | 37,762,519 | 37,762,519 |
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- Definition Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares issued during the period as a result of an employee stock purchase plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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