XML 25 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document and Entity Information (USD $)
 6 Months Ended
Jun. 30, 2012
Aug. 06, 2012
Class A Stock [Member]
Jun. 30, 2011
Class A Stock [Member]
Aug. 06, 2012
Class B Stock [Member]
Jun. 30, 2011
Class B Stock [Member]
Entity Information [Line Items]          
Entity Registrant Name Artesian Resources Corporation        
Entity Central Index Key 0000863110        
Current Fiscal Year End Date --12-31        
Entity Well-known Seasoned Issuer No        
Entity Voluntary Filers No        
Entity Current Reporting Status Yes        
Entity Filer Category Accelerated Filer        
Entity Public Float     $ 118,364,000   $ 4,767,000
Entity Common Stock, Shares Outstanding   7,780,430   881,452  
Document Fiscal Year Focus 2012        
Document Fiscal Period Focus Q2        
Document Type 10-Q        
Amendment Flag false        
Document Period End Date Jun. 30, 2012