XML 115 R94.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 15 - Commitments (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Operating Leases, Rent Expense $ 641,000 $ 285,000 $ 288,000