Note 11 - Commitments and Contingencies - Lease Costs and Cash Flow Information for Leases (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Lease costs included in general and administrative expenses		$ 1,234	$ 1,226
Lease costs included in real estate inventories		344	503
Lease costs included in selling and marketing expenses		188	202
Net lease cost		1,766	1,931
Lease cash flows (included in operating cash flows)(1)	[1]	$ 1,889	$ 2,056

[1] Amount does not include the cost of short-term leases with terms of less than one year which totaled approximately $0.2 million and $0.8 million for the years ended December 31, 2020 and 2019, respectively, or the benefit from a sublease agreement of one of our office spaces which totaled approximately $0.2 million and $0.2 million for the years ended December 31, 2020 and 2019, respectively.