Note 11 - Commitments and Contingencies - Lease Costs and Cash Flow Information for Leases (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lease costs included in general and administrative expenses		$ 314	$ 265	$ 625	$ 620
Lease costs included in real estate inventories		111	207	208	369
Lease costs included in selling and marketing expenses		59	17	98	34
Net lease cost (1)	[1]	484	489	931	1,023
Lease cash flows (included in operating cash flows)(1)	[1]	$ 518	$ 563	$ 1,016	$ 1,053

[1] Does not include the cost of short-term leases with terms of less than one year which totaled approximately $30,000, $0.1 million, $0.2 million and $0.5 million for the three and six months ended June 30, 2020, and 2019, respectively, or the benefit from a sublease agreement of one of our office spaces which totaled approximately $59,000, $118,000, $49,000 and $98,000 for the three and six months ended June 30, 2020 and 2019, respectively.