Annual report pursuant to Section 13 and 15(d)

INCOME TAXES. (Details 4)

v3.8.0.1
INCOME TAXES. (Details 4)
12 Months Ended
Dec. 31, 2016
US Treasury and Government [Member]  
Tax Years still open to audit 2014-2016
Arizona [Member]  
Tax Years still open to audit 2014-2016
California [Member]  
Tax Years still open to audit 2013-2016
Colorado [Member]  
Tax Years still open to audit 2013-2016
Idaho [Member]  
Tax Years still open to audit 2014-2016
Illinois [Member]  
Tax Years still open to audit 2014-2016
Indiana [Member]  
Tax Years still open to audit 2014-2016
Iowa [Member]  
Tax Years still open to audit 2014-2016
Kansas [Member]  
Tax Years still open to audit 2014-2016
Minnesota [Member]  
Tax Years still open to audit 2014-2016
Missouri [Member]  
Tax Years still open to audit 2014-2016
Nebraska [Member]  
Tax Years still open to audit 2014-2016
Oklahoma [Member]  
Tax Years still open to audit 2014-2016
Oregon [Member]  
Tax Years still open to audit 2014-2016
Texas [Member]  
Tax Years still open to audit 2013-2016