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Note 13 - Related Party Transactions (Details Textual) - Client In Which CEO Holds Significant Ownership [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Revenue from Related Parties $ 95 $ 145
Costs and Expenses, Related Party $ 1 $ 1