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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Director
Former Director
Common stock
Common stock
Director
Common stock
Former Director
Additional Paid-in Capital
Additional Paid-in Capital
Director
Additional Paid-in Capital
Former Director
Retained Earnings
Treasury Stock, Common
Beginning balance, shares outstanding at Dec. 31, 2022       14,732,000              
Stockholders' equity, beginning balance at Dec. 31, 2022 $ 137,134     $ 264     $ 238,780     $ 176,843 $ (278,753)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Net income $ 8,844                 8,844  
Issuance of common stock from employee stock purchase plan, shares 21,656     22,000              
Issuance of common stock from employee stock purchase plan $ 526     $ 0     526        
Isuuance of common stock, shares         4,000 30,000          
Issuance of common stock   $ 112 $ 826         $ 112 $ 826    
Issuance of restricted common stock, shares       142,000              
Issuance of restricted common stock $ 0     $ 2     (2)        
Exercise of stock options, shares 12,000     1,000              
Exercise of stock options $ (21)           (21)        
Cancellation and retirement of restricted common stock, shares       (4,000)              
Cancellation and surrender of restricted common stock (77)           (77)        
Stock-based compensation expense 1,203           1,203        
Dividends on common stock (1,661)           (1,661)        
Other, shares       8,000              
Other 276           276        
Ending balance, shares outstanding at Mar. 31, 2023       14,935,000              
Stockholders' equity, ending balance at Mar. 31, 2023 147,162     $ 266     239,962     185,687 (278,753)
Beginning balance, shares outstanding at Dec. 31, 2023       15,000,000              
Stockholders' equity, beginning balance at Dec. 31, 2023 173,060     $ 266     241,291     210,256 (278,753)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Net income $ 6,973                 6,973  
Issuance of common stock from employee stock purchase plan, shares 16,296     16,000              
Issuance of common stock from employee stock purchase plan $ 347           347        
Isuuance of common stock, shares         4,000            
Issuance of common stock   $ 113           $ 113      
Issuance of restricted common stock, shares       157,000              
Issuance of restricted common stock       $ 2     (2)        
Exercise of stock options, shares 0                    
Cancellation and retirement of restricted common stock, shares       (43,000)              
Cancellation and surrender of restricted common stock $ (418)           (418)        
Stock-based compensation expense 376           376        
Dividends on common stock (1,686)           (1,686)        
Other, shares       31,000              
Other 790           790        
Ending balance, shares outstanding at Mar. 31, 2024       15,165,000              
Stockholders' equity, ending balance at Mar. 31, 2024 $ 179,555     $ 268     $ 240,811     $ 217,229 $ (278,753)