XML 67 R59.htm IDEA: XBRL DOCUMENT v3.24.0.1
Equity and Stock Compensation Plans - Stock Option Grants and Unrestricted Stock Grants (Details)
12 Months Ended
Jul. 01, 2023
shares
Jul. 01, 2022
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
Installment
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Total stock-based compensation expense | $     $ 1,525,000 $ 1,707,000  
Stock options          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of stock options granted     0 0  
Options outstanding, Weighted average remaining contractual term (in years)     6 years 11 months 23 days    
Weighted average remaining contractual term     6 years 11 months 1 day    
Aggregate intrinsic value of options exercisable | $     $ 0    
Amount of unrecognized compensation expense related to non-vested options | $     $ 1,000,000    
Unrestricted Stock | 2001 Nonqualified Stock Plan          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares granted (in shares)     60,000    
Unrestricted Stock | 2001 Nonqualified Stock Plan | 2022 Grant          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares granted (in shares)     134,211 167,921  
Number of shares issued   61,460   46,461  
Unrestricted Stock | 2001 Nonqualified Stock Plan | 2022 Grant | Officer          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of installment | Installment       4  
Unrestricted Stock | 2001 Nonqualified Stock Plan | 2023 Grant          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares issued 67,104   67,107    
Equity Option          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of options outstanding     2,260,000 2,560,000 3,240,000
Weighted average exercise price of options outstanding | $ / shares     $ 4.88 $ 4.96 $ 4.97
Options outstanding, Weighted average remaining contractual term (in years)     6 years 11 months 23 days    
Weighted average period for nonvested options     1 year 2 months 12 days