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Significant Stock-Based Plan Activity and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Stock-Based Compensation

Certain information regarding our stock-based compensation was as follows (in thousands):



	Year Ended December 31,
	2019		2018		2017
Intrinsic value of stock options exercised	$	230	$	388	$	265
Intrinsic value of fully-vested stock awards granted	1,590		992		1,812

Stock-based compensation expense was recognized in our Consolidated Statements of Operations as follows (in thousands):



	Year Ended December 31,
	2019		2018		2017
Selling, general and administrative expense	$	1,907	$	1,334	$	1,197
Cost of sales	99		150		119
Total stock-based compensation expense	$	2,006	$	1,484	$	1,316

Stock option activity for the year ended December 31, 2019 was as follows:



	Options Outstanding		Weighted Average Exercise Price
Outstanding at December 31, 2018	306,490		$	9.82
Exercised	(38,367	)	10.39
Canceled	(3,325	)	7.69
Outstanding at December 31, 2019	264,798		9.76

Certain information regarding options outstanding as of December 31, 2019 was as follows:



	Options Outstanding		Options Exercisable
Number	264,798		242,552
Weighted average exercise price	$	9.76	$	9.94
Aggregate intrinsic value (in thousands)	$	1,784	$	1,590
Weighted average remaining contractual term	4.7 years		4.6 years

Cumulative activity related to performance-based awards during the year ended December 31, 2019 was as follows (in shares):



	Awards Expected to Vest		Weighted Average Grant Date Fair Value Per Share
Awards expected to vest as of January 1, 2019	79,368		$	16.85
Granted (target amount)	59,586		16.21
Not expected to vest due to failure to meet performance goals	(30,918	)	15.85
Awards expected to vest as of December 31, 2019	108,036		16.78