Significant Stock-Based Plan Activity and Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stock-Based Compensation Expense [Abstract]
Total Stock-based compensation expense	$ 325	$ 273	$ 605	$ 444
Unrecognized stock-based compensation expense	2,500		$ 2,500
Weighted average remaining vesting period			3 years 2 months 18 days
Selling, general and administrative expense
Stock-Based Compensation Expense [Abstract]
Total Stock-based compensation expense	305	246	$ 556	400
Cost of sales
Stock-Based Compensation Expense [Abstract]
Total Stock-based compensation expense	$ 20	$ 27	$ 49	$ 44