Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information - shares
9 Months Ended
Sep. 30, 2021
Dec. 03, 2021
Document Information Line Items    
Entity Registrant Name MALLARD ACQUISITION CORP.  
Trading Symbol MACU  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   13,750,000
Amendment Flag false  
Entity Central Index Key 0001805795  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Sep. 30, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company true  
Entity Ex Transition Period false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-39611  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-4904992  
Entity Address, Address Line One 19701 Bethel Church Road  
Entity Address, Address Line Two Suite 302  
Entity Address, City or Town Cornelius  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 28031  
City Area Code (813)  
Local Phone Number 407-0444  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes