Note 7 - Other Assets (Details Textual) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Capitalized Sales and Marketing Costs, Amortized		$ 2,200	$ 2,600
Depreciation, Capitalized Selling and Marketing Costs		6,500	8,700
Income Tax Receivable, From CARES Act		27,400
Insurance Settlements Receivable	[1]	4,816	10,900
Estimated Litigation Liability		5,600	10,900
Proceeds from Insurance Settlement, Operating Activities		4,700
Adjustment to Warranty Insurance Receivable		1,200	1,400
Pretax Income (Loss) from Adjustments to Warranty Insurance Receivable		300
Ordinary Course Litigation [Member]
Estimated Litigation Liability			5,900
Increase (Decrease) in Insurance Settlements Receivable		(200)
Adjustment to Litigation Reserve, Cost of Sales		200
IBNR Construction Defect Claims [Member]
Estimated Litigation Liability			$ 5,000
Increase (Decrease) in Insurance Settlements Receivable		$ (1,200)

[1] The Company recorded insurance receivables of $10.9 million in connection with $10.9 million of litigation reserves recorded as of December 31, 2019. During 2020, $4.7 million was paid by our insurance carrier directly to claimants related to two claims, and the Company reduced its insurance receivable estimate by $0.2 million for one claim and adjusted the incurred but not reported ("IBNR") litigation reserve by $1.2 million, resulting in an insurance receivable balance of $4.8 million at December 31, 2020 with a corresponding decrease recorded within litigation reserves and $0.2 million charged to cost of sales. For more information, please refer to Note 8.