Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

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



Authorized Shares Available for Future Award Grants	Nine Months Ended September 30, 2017		From Inception to September 30, 2017
Beginning balance	1,248,651		1,900,000
Additional shares authorized	—		1,500,000
Number of awards granted	(255,040	)	(2,867,606	)
Number of awards forfeited or expired	3,228		464,445
Ending balance	996,839		996,839
Number of option awards exercised	101,189		1,050,257
Number of unrestricted stock awards granted	1,145		8,470
Number of restricted stock awards vested	—		36,970

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



Authorized Shares Available for Future Award Grants	Nine Months Ended September 30, 2017		From Inception to June 30, 2017
Beginning balance	74,771		300,000
Number of awards granted	(12,958	)	(262,190	)
Number of awards forfeited or expired	—		24,003
Ending balance	61,813		61,813
Number of option awards exercised	6,727		59,200
Number of restricted stock awards vested	22,716		54,272

Remaining Stock-Based Compensation Expense

We expect this compensation to be recognized over the remainder of 2017 and subsequent years according to the table below, 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.



2017	$	1,202
2018	4,047
2019	2,784
2020	1,120
2021	393
2022	40
Total	$	9,586