XML 47 R56.htm IDEA: XBRL DOCUMENT v3.2.0.727
Note 3 - Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Accounting Policies [Abstract]        
Advertising Expense $ 572,000 $ 942,000 $ 1,220,000 $ 973,000
Research and Development Expense $ 573,000 $ 442,000 $ 1,063,000 $ 892,000