Annual report pursuant to Section 13 and 15(d)

Note 3 - Cash and Cash Equivalents (Details Textual)

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Note 3 - Cash and Cash Equivalents (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Cash, Ending Balance $ 329 $ 1,640
Cash Equivalents, at Carrying Value, Total $ 117,064 $ 78,202