XML 18 R5.htm IDEA: XBRL DOCUMENT v3.3.1.900
Consolidated Statements of Operations (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Statement [Abstract]      
Income tax expense (benefit) on discontinued operations $ 1,409,000 $ (382,000) $ (230,000)