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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, 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
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
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
Warrants issued with exchange of debt 993,200 0 0 0 993,200 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
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)
Stock-based compensation 832,597 0 $ 0 0 832,597 0 0
Vesting of restricted stock awards, shares     82,865        
Vesting of restricted stock awards, amount 0 0 $ 828 0 (828) 0 0
Shares deducted from restricted stock awards for payment of withholding taxes, shares     (6,064)        
Shares deducted from restricted stock awards for payment of withholding taxes, amount (13,409) 0 $ (60) 0 (13,349) 0 0
Dividends 0            
Net loss (6,168,346) 0 0 0 0 0 (6,168,346)
Change in unrealized gains on available- for-sale securities, net of tax 3,683,865 0 $ 0 $ 0 0 3,683,865 0
Balance, shares at Dec. 31, 2023     12,248,313 1,471,406      
Balance, amount at Dec. 31, 2023 $ 34,504,139 $ 0 $ 122,483 $ (5,567,481) $ 75,338,010 $ (12,274,563) $ (23,114,310)