Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
Convertible Preferred Stock [Member]
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2020 $ 28,558 $ 49,157,236 $ 17,510,715 $ 66,696,509
Beginning balance, shares at Dec. 31, 2020   28,558,033      
Common stock issued for option exercises $ 66 148,914 148,980
Common stock issued for option exercises, shares   65,891      
Stock-based compensation $ 42 1,512,970 1,513,012
Stock-based compensation expense, shares   73,040      
Net income 7,898,975 7,898,975
Ending balance, value at Mar. 31, 2021 $ 28,666 50,819,120 25,409,690 76,257,476
Ending balance, shares at Mar. 31, 2021   28,696,964      
Beginning balance, value at Dec. 31, 2021 $ 33,820 80,271,999 54,169,279 134,475,098
Beginning balance, shares at Dec. 31, 2021   33,819,862      
Common stock issued for option exercises $ 45 49,956 50,001
Common stock issued for option exercises, shares   45,456      
Common stock issued for warrant exercises $ 50 99,950   100,000
Common stock issued for warrant exercises, shares   50,000      
Stock-based compensation $ 69 1,375,028 1,375,097
Stock-based compensation expense, shares   68,750      
Net income 11,714,595 11,714,595
Ending balance, value at Mar. 31, 2022 $ 33,984 $ 81,796,933 $ 65,883,874 $ 147,714,791
Ending balance, shares at Mar. 31, 2022   33,984,068