XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.4
STOCK-BASED COMPENSATION, Non-vested Service-based Restricted Stock Unit Awards (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Service-Based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 200,000 $ 200,000 $ 600,000 $ 600,000
2021 205,000   205,000  
2022 784,000   784,000  
2023 538,000   538,000  
2024 24,000   24,000  
2025 5,000   5,000  
Unrecognized Expense $ 1,556,000   1,556,000  
Performance-Based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense     $ 0  
Restricted Stock and RSU [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares issued from vesting of restricted stock (in shares)     16,080