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Discontinued Operations - Condensed Consolidated Statements of Cash Flows (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2014
USD ($)
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]  
Net increase (decrease) in cash and cash equivalents $ 1,078
American Access Technologies, Inc.  
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]  
Net cash (used in) operating activities (1,691)
Net cash provided by (used in) investing activities 2,769
Advances (to) from parent $ (1,078)