Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The weighted average fair value of options granted during the years endedDecember 31, 2017 and 2016 was $3.09 and $2.55, respectively, and was determined using the following weighted average assumptions:

	Year ended December 31,
	2017	2016
Expected dividend yield	—%	—%
Risk-free interest rate	1.7%	1.2%
Expected volatility	55.9%	58.1%
Expected term (in years)	3.75	5.12

Share based Compensation by arrangement, details of performance based awards [Table Text Block]

The following table contains pertinent information regarding these outstanding awards as of December 31, 2017 (in thousands except for number of awards granted):

Grant Date	# of Awards Granted and Outstanding	Fair Value on Grant Date		Cumulative Expense Recognized		Unearned Compensation Expense		Latest Date Performance Condition Could be Met
January 2017	143,283	$	721	$	132	$	589	December 2017

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The following table summarizes stock-based compensation expense for the years endedDecember 31, 2017 and 2016 and its allocation within the consolidated statements of operations (in thousands):

	Year ended 31 December,
	2017			2016
Cost of revenues	$	158		$	48
Product development	475			173
Sales and marketing	(20		)	57
General and administrative	844			468
Total stock based compensation expense related to stock options and share awards	1,457			746
Tax benefit	—			—
Stock-based compensation expense related to stock options and share awards, net of tax	$	1,457		$	746