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Condensed Consolidated Financial Statements Detail - Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Income (Loss) Per Share Available to Common Stockholders (Details) - USD ($) shares in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Numerator |  |  |  |
Net income (loss) | $ 285,000 | $ (15,160,000) | $ (10,429,000) | $ (23,525,000)
Less: Deemed dividend on convertible preferred stock |  |  | (5,603,000) |
Less: Allocation of undistributed earnings to participating securities | (113,000) |  | 0 |
Net income (loss) available to common stockholders, basic and diluted | $ 172,000 | $ (15,160,000) | $ (16,032,000) | $ (23,525,000)
Denominator |  |  |  |
Weighted average shares used in computing basic net income (loss) per share available to common stockholders | 7,588 | 6,022 | 7,240 | 6,000
Effect of dilutive stock options | 55 |  |  |
Weighted average shares outstanding used for diluted net income (loss) per share available to common stockholders | 7,643 | 6,022 | 7,240 | 6,000

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