XML 61 R48.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 7 - Property and Equipment (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Depreciation $ 2.7 $ 2.6 $ 2.7