Note 3 - Contracts and Accounts Receivable - Contracts and Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Costs incurred on fee building projects	$ 9,691	$ 79,583
Estimated earnings	196	1,420
Contracts receivable, before collections	9,887	81,003
Less: amounts collected during the period	(7,802)	(77,861)
Contracts receivable	2,085	3,142
Billed	0	0
Unbilled	2,085	3,142
Total contracts receivable	2,085	3,142
Escrow receivables	2,028	1,782
Other receivables	388	0
Contracts and accounts receivable	$ 4,501	$ 4,924