Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Share-based Compensation [Abstract]

Activity in Stock Award Plans

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

Authorized Shares Available for Future Award Grants	Nine Months Ended September 30, 2015		From Inception to September 30, 2015
Beginning balance	87,194		300,000
Number of awards granted	(17,256	)	(236,065	)
Number of awards forfeited or expired	—		6,003
Ending balance	69,938		69,938
Number of option awards exercised	8,450		13,125
Number of restricted stock awards vested	6,434		17,876

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

Authorized Shares Available for Future Award Grants	Nine Months Ended September 30, 2015		From Inception to September 30, 2015
Beginning balance	1,646,947		1,900,000
Additional shares authorized	—		1,500,000
Number of awards granted	(366,274	)	(2,362,783	)
Number of awards forfeited or expired	108,950		352,406
Ending balance	1,389,623		1,389,623
Number of option awards exercised	97,694		565,257
Number of unrestricted stock awards granted	920		6,200
Number of restricted stock awards vested	—		18,576

Remaining Stock-Based Compensation Expense

We expect this compensation to be recognized over the remainder of 2015 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.

2015	$	616
2016	2,096
2017	1,864
2018	1,337
2019	584
2020	63
Total	$	6,560