XML 43 R32.htm IDEA: XBRL DOCUMENT v3.22.1
Share-Based Compensation and Other Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Summary of Restricted Stock Unit Activity
The table below summarizes activity for the three months ended March 31, 2022 with respect to awarded RSUs:
Restricted Stock
Units		Weighted-Average
Grant Date
Fair Value
Balance at beginning of year230,517 $9.20 
Granted— — 
Vested(69,206)(7.94)
Forfeited— — 
Balance at end of year161,311 $10.52 
Schedule of Valuation Assumptions The ranges for the assumptions used in the Monte Carlo model for the PRSUs granted during 2021, 2020 and 2019 are presented as follows:
2021 1
2020 1
2019
Expected volatility
131.74% to 134.74%
101.32% to 117.71%
49.9 %
Dividend yield0.0 %0.0 %0.0 %
Risk-free interest rate
0.22% to 0.29%
0.18% to 0.51%
1.66 %
Performance period2021-20232020-20222020-2022
_______________________
1    One executive officer’s inducement award originally granted in August 2020 was amended in April 2021 to conform vesting conditions to other PRSU awards granted in 2021. The Monte Carlo assumptions for both years are included above.