XML 58 R44.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 5 - Federal Income Tax Reconciled to the Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Statutory federal income tax rate 35.00% 35.00% 35.00%
Per diem and other non-deductible expenses 3.00% 4.00% 4.00%
Increase in taxes arising from state income taxes, net of federal income tax benefit 3.00% 3.00% 3.00%
Effective tax rate 41.00% 42.00% 42.00%