Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Share-based Compensation [Abstract]

Activity in Stock Award Plans

The activity in the Stock Plan is displayed in the following table:

Authorized Shares Available for Future Award Grants	Six Months Ended June 30, 2016		From Inception to June 30, 2016
Beginning balance	1,394,578		1,900,000
Additional shares authorized	—		1,500,000
Number of awards granted	(249,528	)	(2,612,456	)
Number of awards forfeited or expired	100,600		458,106
Ending balance	1,245,650		1,245,650
Number of option awards exercised	183,840		834,359
Number of unrestricted stock awards granted	870		7,215
Number of restricted stock awards vested	18,394		36,970

The activity in the Director Plan is displayed in the following table:

Authorized Shares Available for Future Award Grants	Six Months Ended June 30, 2016		From Inception to June 30, 2016
Beginning balance	69,938		300,000
Number of awards granted	(13,167	)	(249,232	)
Number of awards forfeited or expired	18,000		24,003
Ending balance	74,771		74,771
Number of option awards exercised	22,986		37,793
Number of restricted stock awards vested	11,385		31,556

Remaining Stock-Based Compensation Expense

We expect this compensation to be recognized over the remainder of 2016 and subsequent years according to the following table, except with respect to awards that are accelerated by the Board of Directors, in which case we will recognize any remaining compensation expense in the period in which the awards are accelerated.

2016	$	1,731
2017	2,964
2018	2,264
2019	1,194
2020	640
2021	72
Total	$	8,865