PROPERTY AND EQUIPMENT (Summary of Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment	$ 12,292	$ 12,811
Less accumulated depreciation and amortization	(6,943)	(4,420)
Property and equipment, net	5,349	8,391
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	5,114	5,114
Computer Hardware and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	277	524
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	6,162	6,154
Computer Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	570	715
Websites [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 169	$ 304