XML 19 R7.htm IDEA: XBRL DOCUMENT v3.7.0.1
Consolidated Balance Sheets (Parentheticals) - $ / shares
Mar. 31, 2017
Dec. 31, 2016
Common Stock [Member]    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 500,000,000 500,000,000
Common Stock, Shares, Issued 230,034,586 229,443,008
Common Stock, Shares, Outstanding 230,034,586 229,443,008
Treasury Stock, Shares 0 0
Preferred Stock [Member]    
Preferred Stock, Shares Authorized 15,000,000 15,000,000
Preferred Stock, Shares Issued 0 0
Preferred Stock, Shares Outstanding 0 0