XML 40 R27.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 2 - Equity Excluded From Calculation of Diluted Earnings Per Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Employee Stock Option [Member]      
Shares excluded (in shares) 8,435 7,918 6,356
Warrant [Member]      
Shares excluded (in shares) 3,565 4,108 3,969
Convertible Debt Securities [Member]      
Shares excluded (in shares) 7,087 6,677 6,291