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Loss per common share
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Loss per common share Income (loss) per common share:Basic and diluted income (loss) per common share for the years ended December 31, 2021 and 2020, respectively, was as follows:
 20212020
Numerator:
Net income (loss) attributable to stockholders$3,696,000 $(6,150,507)
Denominator:
Weighted average shares outstanding - Basic24,850,26124,850,258 
Effect of dilutive securities:
Stock options265,257 — 
Weighted average shares outstanding - Diluted25,115,518 24,850,258 
Basic income (loss) per share$0.15 $(0.25)
Diluted income (loss) per share$0.15 $(0.25)
Anti-dilutive shares underlying stock options outstanding931,396 178,224