Note 6 - Goodwill and Other Acquired Intangible Assets, Net General (Details) - Mortgage and Real Estate Services Segment - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019	Dec. 31, 2018
Goodwill, Acquired During Period	$ 538	$ 3,170
Technology
Finite-Lived Intangible Assets, Period Increase (Decrease)	400
Client relationships
Finite-Lived Intangible Assets, Period Increase (Decrease)	$ 100

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration