v2.4.0.6
Document and Entity Information
3 Months Ended
Dec. 31, 2011
Feb. 03, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name DAWSON GEOPHYSICAL CO  
Entity Central Index Key 0000351231  
Document Type 10-Q  
Document Period End Date Dec. 31, 2011  
Amendment Flag false  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --09-30  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   7,920,869