Annual report pursuant to Section 13 and 15(d)

Note 14 - Income Taxes (Details Textual)

v3.19.1
Note 14 - Income Taxes (Details Textual)
 12 Months Ended
Dec. 31, 2018
State and Local Jurisdiction [Member]  
Open Tax Year 2012 2013 2014 2015 2016 2017 2018
Foreign Tax Authority [Member] | Australian Taxation Office [Member]  
Open Tax Year 2016 2017 2018
Domestic Tax Authority [Member]  
Open Tax Year 2012 2013 2014 2015 2016 2017 2018