Note 4 - Acquisition of Caris HealthCare, L.P. - Allocation of Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 11, 2021	Dec. 31, 2020
Goodwill	$ 168,295		$ 21,341
Acquisition of Caris [Member]
Cash and cash equivalents		$ 15,515
Restricted cash and cash equivalents		58
Accounts receivable		10,544
Prepaid expenses and other assets		1,006
Property and equipment		3,608
Operating lease – right-of-use assets		2,122
Intangible assets		7,038
Total assets acquired		39,891
Trade accounts payable		3,459
Accrued payroll		3,223
Other current liabilities		587
Operating lease liabilities		2,122
Other noncurrent liabilities		58
Total liabilities assumed		9,449
Net identifiable assets acquired		30,442
Goodwill		146,954
Total estimated fair value of the acquisition		$ 177,396