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Basic and Diluted Net Loss Per Share - Schedule of Reconciliation of Basic and Diluted Income Per Share Computations (Details) - shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Per share - net (loss)/income attributable to Where Food Comes From, Inc.:    
Weighted average shares outstanding: Basic 24,947,000 24,957,000
Weighted average shares outstanding: Diluted 24,947,000 24,957,000
Weighted average effects of dilutive securities
Total 24,947,000 24,957,000
Antidilutive securities 206,000 266,000