Rendering

Component: (Network and Table)
Network
139 - Disclosure - Summary of Significant Accounting Policies - Summary of Changes in Company's Allowance for Doubtful Accounts (Detail)
(http://techtarget.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfChangesInCompanysAllowanceForDoubtfulAccounts)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001293282 (http://www.sec.gov/CIK)
Regulatory Assets [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Regulatory Assets [Abstract]
 
 
 
Balance at Beginning of Year
1,715,000  
1,014,000  
913,000  
Provision
894,000  
805,000  
708,000  
Acquired in Business Combinations
0  
0  
0  
Write-offs, Net of Recoveries
(648,000) 
(104,000) 
(607,000) 
Balance at End of Year
1,961,000  
 
1,715,000  
 
1,014,000