Note 1 - Organization and Basis for Presentation - Disaggregation of Revenue by Major Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Revenue	$ 129,366	$ 117,232
Americas [Member]
Revenue	81,470	69,359
EMEA [Member]
Revenue	39,193	39,480
Asia Pacific [Member]
Revenue	$ 8,703	$ 8,393

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details