Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Numerator:
Net loss available for common shareholders	$ (8,990)	$ (8,459)	$ (17,058)	$ (15,591)
Dilutive incremental share effect from:
Weighted-average common shares outstanding	106,872	81,321	104,435	79,973
Net loss per share - basic and diluted	$ (0.08)	$ (0.10)	$ (0.16)	$ (0.19)

The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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