Note 4 - Revenue Recognition - Revenue From Contracts (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Revenue	$ 19,064	$ 17,880
Lead Generation [Member]
Revenue	10,576	14,186
Click Advertising [Member]
Revenue	3,656	2,932
Display And Other Advertising [Member]
Revenue	481	762
Digital Advertising [Member]
Revenue	4,137	3,694
Used Vehicle Sales [Member]
Revenue	$ 4,351	$ 0

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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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details