Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Summary of stock-based compensation expense
Total stock-based compensation expense				$ 29
Sales and marketing [Member]
Summary of stock-based compensation expense
Total stock-based compensation expense				6
General and administrative [Member]
Summary of stock-based compensation expense
Total stock-based compensation expense				$ 23