Note 17 - Equity Method Investment in Caris HealthCare, L.P. (Details Textual) - Caris [Member] - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Equity Method Investment, Ownership Percentage	75.10%
Equity Method Investments	$ 30,625,000	$ 34,951,000

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Balance Type:	debit
Period Type:	instant