Note 8 - Accrued Expenses and Other Liabilities - Changes in Warranty Accrual (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Beginning warranty accrual		$ 7,223	$ 6,898
Ending warranty accrual		7,276	7,223	$ 6,898
Home Building Segment [Member]
Beginning warranty accrual		7,195	6,681	6,634
Warranty provision		1,789	2,363	2,330
Warranty payments		(2,576)	(2,341)	(2,006)
Adjustment to warranty accrual	[1]	861	492	(277)
Ending warranty accrual		7,269	7,195	6,681
Fee Building Segment [Member]
Beginning warranty accrual		28	217	225
Warranty provision		0	9	0
Warranty payments		0	(67)	(70)
Adjustment to warranty accrual	[2]	(21)	(131)	62
Ending warranty accrual		$ 7	$ 28	$ 217

[1] During 2020 the Company recorded an adjustment of $0.9 million to increase its warranty accrual for homebuilding projects based on the expected warranty experience rates which resulted in a corresponding increase of $1.2 million to warranty insurance recoveries included in other assets in the accompany consolidated balance sheets and a $0.3 million credit to cost of sales in the accompanying consolidated statement of operations. During 2019, the Company recorded a warranty accrual adjustment of $0.5 million due to higher expected warranty expenditures which resulted in an increase of the same amount to cost of home sales in the accompanying consolidated statement of operations. During 2018, the estimated amount to be covered by our insurance policies was reduced by $0.3 million. Netted against the amount recorded in 2018 is a warranty accrual adjustment of $43,000 related to higher expected warranty expenditures which resulted in an increase of $43,000 to cost of home sales in the accompanying consolidated statement of operations.

[2] During 2020, the Company recorded an adjustment of $21,000 to decrease its warranty accrual for fee building projects based on the expected warranty experience rates which resulted in a corresponding decrease to fee building cost of sales in the accompanying consolidated statement of operations. In 2019, the Company recorded an adjustment of $0.1 million due to a lower experience rate of expected warranty expenditures for fee building projects which resulted in a reduction of the same amount to fee cost of sales in the accompanying consolidated statement of operations. During 2018, the warranty reserve and corresponding warranty insurance recoveries balances were increased by approximately $32,000, and the warranty reserve accrual was further adjusted by approximately $30,000 related to higher expected warranty expenditures which resulted in an increase to fee cost of sales of the same amount in the accompanying consolidated statement of operations.