Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The stock-based compensation expense related to the Company’s various stock option plans was allocated as follows (in thousands):

	Years Ended December 31,
	2016		2015		2014
Direct operating costs	$	330	$	381	$	390
Selling and administrative expenses		832		945		766
Total stock-based compensation	$	1,162	$	1,326	$	1,156