0000003197 2022-01-10 2022-01-10 true 0000003197 8-K/A Amendment No 1 2022-01-10 CECO ENVIRONMENTAL CORP. DE 000-7099 13-2566064 14651 North Dallas Parkway Suite 500 Dallas TX 75254 513 458-2600 false false false false Common Stock, par value $0.01 per share CECE NASDAQ false