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Consolidated Statements of Stockholders' Equity - USD ($)
Total
Preferred Stock
Common Stock
Treasury Stock
Capital in Excess of Par
Accumulated other comprehensive loss
Retained Earnings (Accumulated Deficit)
Balance, shares at Dec. 31, 2020     11,871,307 1,254,492      
Balance, amount at Dec. 31, 2020 $ 92,800,402 $ 0 $ 118,713 $ (3,895,883) $ 70,769,165 $ 9,880,062 $ 15,928,345
Stock-based compensation 1,904,935 0 $ 0 0 1,904,935 0 0
Vesting of restricted stock awards, shares     114,432        
Vesting of restricted stock awards, amount 0 0 $ 1,144 0 (1,144) 0 0
Shares deducted from restricted stock awards for payment of withholding taxes, shares     (30,079)        
Shares deducted from restricted stock awards for payment of withholding taxes, amount (205,773) 0 $ (300) $ 0 (205,473) 0 0
Acquisition of treasury stock, shares       216,914      
Acquisition of treasury stock, amount (1,671,598) 0 0 $ (1,671,598) 0 0 0
Dividends 1,694,148 0 0 0 0 0 1,694,148
Net loss (7,378,301) 0 0 0 0 0 (7,378,301)
Change in unrealized losses on available- for-sale securities, net of tax (8,083,323) 0 $ 0 $ 0 0 (8,083,323) 0
Balance, shares at Dec. 31, 2021     11,955,660 1,471,406      
Balance, amount at Dec. 31, 2021 75,672,194 0 $ 119,557 $ (5,567,481) 72,467,483 1,796,739 6,855,896
Stock-based compensation 1,392,612 0 $ 0 0 1,392,612 0 0
Vesting of restricted stock awards, shares     262,490        
Vesting of restricted stock awards, amount 0 0 $ 2,625 0 (2,625) 0 0
Shares deducted from restricted stock awards for payment of withholding taxes, shares     (79,860)        
Shares deducted from restricted stock awards for payment of withholding taxes, amount (392,011) 0 $ (799) 0 (391,212) 0 0
Dividends 1,277,066 0 0 0 0 0 1,277,066
Net loss (22,524,794) 0 0 0 0 0 (22,524,794)
Change in unrealized losses on available- for-sale securities, net of tax (17,755,167) 0 $ 0 0 0 (17,755,167) 0
Issuance of common stock - employee stock purchase plan, shares     33,222        
Issuance of common stock - employee stock purchase plan, amount 60,464 0 $ 332 0 60,132 0 0
Warrants issued with exchange of debt 993,200 0 $ 0 $ 0 993,200 0 0
Balance, shares at Dec. 31, 2022     12,171,512 1,471,406      
Balance, amount at Dec. 31, 2022 $ 36,169,432 $ 0 $ 121,715 $ (5,567,481) $ 74,519,590 $ (15,958,428) $ (16,945,964)