XML 55 R43.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income (Loss) from Continuing Operations Per Unrestricted Share (Antidilutive) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 504,200 584,400 416,900 498,500
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 504,200 584,400 416,900 498,500