Stock-Based Compensation	6 Months Ended
Jun. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation	12. STOCK-BASED COMPENSATION The Company recognized $0.4 million and $0.3 million in non-cash, stock-based compensation expense for the second quarter of 2021 and 2020, respectively and $0.8 million and $0.6 million in non-cash, stock-based compensation expense for the six month periods ended June 30, 2021 and 2020, respectively. During the first six months of 2021, the Company granted an aggregate of 436,990 shares of restricted stock at a weighted average value of $3.63 per share under its 2005 Executive Incentive Compensation Plan, as amended and restated. Most restricted shares vest in three equal installments on the first, second and third anniversaries of the grant date, or cliff vest in five years. During the first six months of 2021, the Company granted an aggregate of 139,880 shares of restricted stock under its Non-Employee Directors’ Restricted Stock Plan, as amended, at an average fair market value of $3.58 per share. The directors’ restricted shares vest on the first anniversary of the grant date. Unearned compensation expense is amortized into expense on a straight-line basis over the requisite service period for the entire award. As of June 30, 2021 and 2020, the total compensation expense not yet recognized related to all outstanding restricted stock awards was $2.1 million and $1.5 million, respectively.

Stock-Based Compensation

6 Months Ended

Jun. 30, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

12. STOCK-BASED COMPENSATION

The Company recognized $0.4 million and $0.3 million in non-cash, stock-based compensation expense for the second quarter of 2021 and 2020, respectively and $0.8 million and $0.6 million in non-cash, stock-based compensation expense for the six month periods ended June 30, 2021 and 2020, respectively. During the first six months of 2021, the Company granted an aggregate of 436,990 shares of restricted stock at a weighted average value of $3.63 per share under its 2005 Executive Incentive Compensation Plan, as amended and restated. Most restricted shares vest in three equal installments on the first, second and third anniversaries of the grant date, or cliff vest in five years. During the first six months of 2021, the Company granted an aggregate of 139,880 shares of restricted stock under its Non-Employee Directors’ Restricted Stock Plan, as amended, at an average fair market value of $3.58 per share. The directors’ restricted shares vest on the first anniversary of the grant date. Unearned compensation expense is amortized into expense on a straight-line basis over the requisite service period for the entire award. As of June 30, 2021 and 2020, the total compensation expense not yet recognized related to all outstanding restricted stock awards was $2.1 million and $1.5 million, respectively.