Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Aug. 31, 2021
Nov. 03, 2021
Feb. 28, 2021
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Aug. 31, 2021    
Entity File Number 0-8814    
Entity Registrant Name PURE CYCLE CORPORATION    
Entity Incorporation, State or Country Code CO    
Entity Tax Identification Number 84-0705083    
Entity Address, Address Line One 34501 E. Quincy Avenue, Bldg. 34    
Entity Address, City or Town Watkins    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80137    
City Area Code 303    
Local Phone Number 292 – 3456    
Title of 12(b) Security Common Stock    
Trading Symbol PCYO    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 225,723,000
Entity Common Stock, Shares Outstanding   23,918,827  
Entity Central Index Key 0000276720    
Current Fiscal Year End Date --08-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false