Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Related Party Transactions (Details Textual)

v3.10.0.1
Note 12 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Shareholder [Member]        
Related Party Transaction, Amounts of Transaction $ 78,000 $ 56,000 $ 194,000 $ 169,000