(4) Furniture and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Furniture and equipment, gross	$ 8,659	$ 7,827
Less: accumulated depreciation and amortization	(7,530)	(6,999)
Furniture and equipment, net	1,129	828
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Furniture and equipment, gross	1,936	1,648
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Furniture and equipment, gross	5,216	4,672
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Furniture and equipment, gross	$ 1,507	$ 1,507