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Significant Stock-Based Plan Activity and Stock-Based Compensation
3 Months Ended
Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Significant Stock-Based Plan Activity and Stock-Based Compensation
Significant Stock-Based Plan Activity and Stock-Based Compensation

Stock-Based Compensation Expense
Stock-based compensation expense was recognized in our Consolidated Statements of Operations as follows (in thousands):
 
Three Months Ended
March 31,
 
2016
 
2015
Cost of sales
14

 
29

Selling, general and administrative expense
6

 
251

Total stock-based compensation expense
$
20

 
$
280



At March 31, 2016, we had total unrecognized stock-based compensation expense of $1.3 million, which will be recognized over the weighted average remaining vesting period of 2.9 years.