Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net loss available for common shareholders	$ (4,934)	$ (8,068)
Dilutive incremental share effect from:
Weighted-average common shares outstanding	127,214,000	101,971,000
Net loss per share - basic and diluted	$ (0.04)	$ (0.08)