Annual report pursuant to Section 13 and 15(d)

Note 5 - Fair Value Consideration (Details Textual)

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Note 5 - Fair Value Consideration (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2017
Financial Instruments, Owned, at Fair Value $ 0 $ 0
Assets, Fair Value Adjustment $ 3,500