XML 40 R28.htm IDEA: XBRL DOCUMENT v3.6.0.2
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
shares in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Operating Leases, Future Minimum Payments Due $ 151,993    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 93.9 90.3 6.6
Minimum [Member]      
Property, Plant and Equipment, Useful Life 3 years    
Maximum [Member]      
Property, Plant and Equipment, Useful Life   5 years