Condensed Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands |
Total |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Accumulated Deficit [Member] |
Accumulated Other Comprehensive Loss [Member] |
|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2017 | $ 61,302 | $ 16 | $ 170,728 | $ (109,307) | $ (135) |
| Beginning balance, shares at Dec. 31, 2017 | 16,158,883 | ||||
| Common stock offerings, net | 32,536 | $ 2 | 32,534 | ||
| Common stock offerings, net, shares | 1,955,000 | ||||
| Common stock issued under employee stock plans, net | 921 | 921 | |||
| Common stock issued under employee stock plans, net, shares | 203,551 | ||||
| Stock-based compensation expense | 5,125 | 5,125 | |||
| Net loss | (27,379) | (27,379) | |||
| Unrealized loss on marketable securities | (2) | (2) | |||
| Foreign currency translation adjustments | 20 | 20 | |||
| Ending balance at Jun. 30, 2018 | $ 72,523 | $ 18 | $ 209,308 | $ (136,686) | $ (117) |
| Ending balance, shares at Jun. 30, 2018 | 18,317,434 |
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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 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 Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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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 Number of new stock issued during the period. 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 Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. 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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