Note 18 - Supplemental Guarantor Information - Supplemental Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 79,314	$ 42,273	$ 123,546
Restricted cash	117	269
Contracts and accounts receivable	15,982	18,265
Intercompany receivables	0	0
Due from Affiliates	238	1,218
Real estate inventories	433,938	566,290
Investment in and advances to unconsolidated joint ventures	30,217	34,330
Investment in subsidiaries	0	0
Other assets	43,383	33,452
Total assets	603,189	696,097
Liabilities and equity
Accounts payable	25,044	39,391
Accrued expenses and other liabilities	40,554	29,028
Intercompany payables	0	0
Due to affiliates	0	0
Senior notes, net	304,832	320,148
Total liabilities	370,430	456,067
Total stockholders' equity	232,647	239,954
Non-controlling interest in subsidiary	112	76
Total equity	232,759	240,030	$ 264,080	$ 244,624
Total liabilities and equity	603,189	696,097
Unsecured revolving credit facility	0	67,500
Consolidation, Eliminations [Member]
Assets
Cash and cash equivalents	0	0
Restricted cash	0	0
Contracts and accounts receivable	(424)	(668)
Intercompany receivables	(258,372)	(192,341)
Due from Affiliates	0	0
Real estate inventories	0	0
Investment in and advances to unconsolidated joint ventures	0	0
Investment in subsidiaries	(198,448)	(396,466)
Other assets	0	(3)
Total assets	(457,244)	(589,478)
Liabilities and equity
Accounts payable	0	0
Accrued expenses and other liabilities	(421)	(664)
Intercompany payables	(258,372)	(192,341)
Due to affiliates	(3)	(7)
Senior notes, net	0	0
Total liabilities	(258,796)	(193,012)
Total stockholders' equity	(198,448)	(396,466)
Non-controlling interest in subsidiary	0	0
Total equity	(198,448)	(396,466)
Total liabilities and equity	(457,244)	(589,478)
Unsecured revolving credit facility		0
Parent Company [Member]
Assets
Cash and cash equivalents	66,166	28,877
Restricted cash	0	0
Contracts and accounts receivable	3	7
Intercompany receivables	258,372	192,341
Due from Affiliates	0	0
Real estate inventories	0	0
Investment in and advances to unconsolidated joint ventures	0	0
Investment in subsidiaries	198,448	396,466
Other assets	26,508	18,643
Total assets	549,497	636,334
Liabilities and equity
Accounts payable	68	240
Accrued expenses and other liabilities	11,950	8,492
Intercompany payables	0	0
Due to affiliates	0	0
Senior notes, net	304,832	320,148
Total liabilities	316,850	396,380
Total stockholders' equity	232,647	239,954
Non-controlling interest in subsidiary	0	0
Total equity	232,647	239,954
Total liabilities and equity	549,497	636,334
Unsecured revolving credit facility		67,500
Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	12,978	13,249
Restricted cash	117	269
Contracts and accounts receivable	16,403	18,926
Intercompany receivables	0	0
Due from Affiliates	238	1,218
Real estate inventories	433,938	566,290
Investment in and advances to unconsolidated joint ventures	30,217	34,330
Investment in subsidiaries	0	0
Other assets	16,840	14,812
Total assets	510,731	649,094
Liabilities and equity
Accounts payable	24,973	39,151
Accrued expenses and other liabilities	28,999	21,129
Intercompany payables	258,372	192,341
Due to affiliates	3	7
Senior notes, net	0	0
Total liabilities	312,347	252,628
Total stockholders' equity	198,384	396,466
Non-controlling interest in subsidiary	0	0
Total equity	198,384	396,466
Total liabilities and equity	510,731	649,094
Unsecured revolving credit facility		0
Non-Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	170	147
Restricted cash	0	0
Contracts and accounts receivable	0	0
Intercompany receivables	0	0
Due from Affiliates	0	0
Real estate inventories	0	0
Investment in and advances to unconsolidated joint ventures	0	0
Investment in subsidiaries	0	0
Other assets	35	0
Total assets	205	147
Liabilities and equity
Accounts payable	3	0
Accrued expenses and other liabilities	26	71
Intercompany payables	0	0
Due to affiliates	0	0
Senior notes, net	0	0
Total liabilities	29	71
Total stockholders' equity	64	0
Non-controlling interest in subsidiary	112	76
Total equity	176	76
Total liabilities and equity	$ 205	147
Unsecured revolving credit facility		$ 0