Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement, Noncash Expense [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, 2019		From Inception to September 30, 2019
Beginning balance	49,163		300,000
Number of awards granted	(14,300	)	(289,140	)
Number of awards forfeited or expired	—		24,003
Ending balance	34,863		34,863
Number of option awards exercised	1,131		119,092
Number of restricted stock awards vested	—		71,541

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

Authorized Shares Available for Future Award Grants	Nine Months Ended September 30, 2019		From Inception to September 30, 2019
Beginning balance	890,857		1,900,000
Additional shares authorized	—		1,500,000
Number of awards granted	(109,905	)	(3,132,972	)
Number of awards forfeited or expired	36,403		550,327
Ending balance	817,355		817,355
Number of option awards exercised	104,338		1,428,952
Number of unrestricted stock awards granted	—		9,370
Number of restricted stock awards vested	42,585		100,778

Remaining Stock-Based Compensation Expense

We expect this compensation to be recognized over the remainder of 2019 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.

2019	$	1,301
2020	3,525
2021	1,643
2022	176
2023	—
Total	$	6,645