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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Treasury Stock, Common [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2022 40,816,602 (12,253,502)      
Balance at Dec. 31, 2022 $ 40,817 $ (18,929,915) $ 103,458,697 $ (73,481,860) $ 11,087,739
Stock-based compensation expense $ 0 $ 0 330,639 0 330,639
Issuance of common stock upon vesting of restricted stock units (in shares) 247,961 0      
Issuance of common stock upon vesting of restricted stock units $ 248 $ 0 341,938 0 342,186
Net loss $ 0 $ 0 0 (956,444) (956,444)
Balance (in shares) at Mar. 31, 2023 41,064,563 (12,253,502)      
Balance at Mar. 31, 2023 $ 41,065 $ (18,929,915) 104,131,274 (74,438,304) 10,804,120
Balance (in shares) at Dec. 31, 2023 41,064,563 (12,253,502)      
Balance at Dec. 31, 2023 $ 41,065 $ (18,929,915) 105,044,756 (80,277,321) 5,878,585
Stock-based compensation expense $ 0 $ 0 306,478 0 $ 306,478
Issuance of common stock upon vesting of restricted stock units (in shares) 375,753 0     375,753
Issuance of common stock upon vesting of restricted stock units $ 376 $ 0 339,959 0 $ 340,335
Net loss $ 0 $ 0 0 (2,009,596) (2,009,596)
Balance (in shares) at Mar. 31, 2024 41,440,316 (12,253,502)      
Balance at Mar. 31, 2024 $ 41,441 $ (18,929,915) $ 105,691,193 $ (82,286,917) $ 4,515,802