Note 7 - Property - Schedule of Property (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, plant and equipment	$ 29,375	$ 29,125
Less accumulated depreciation	(26,637)	(25,500)
Property, net	2,738	3,625
Software and Software Development Costs [Member]
Property, plant and equipment	3,543	3,467
Furniture and Fixtures [Member]
Property, plant and equipment	6,431	6,307
Data Processing and Telephone Equipment [Member]
Property, plant and equipment	7,675	7,625
Leasehold Improvements [Member]
Property, plant and equipment	10,570	10,570
Other Capitalized Property Plant and Equipment [Member]
Property, plant and equipment	$ 1,156	$ 1,156

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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