Note 14 - Income Taxes (Tables)

9 Months Ended

Sep. 30, 2014

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	September 30,			December 31,
	2014			2013
	(Dollars in thousands)
Deferred tax assets:
Federal net operating loss carryforwards	$	51,956		$	72,700
State net operating loss carryforwards		40,485			38,082
Alternative minimum tax and other tax credit carryforwards		25,539			24,196
Stock-based compensation expense		26,753			26,651
Warranty, litigation and other reserves		12,527			15,543
Receivables from related party		11,915			12,132
Accrued compensation		4,957			11,136
Asset impairment charges		4,728			5,496
Inventory, additional costs capitalized for tax purposes		3,183			1,700
Other, net		4,030			3,446
Total deferred tax assets		186,073			211,082
Valuation allowance		(14,988	)		(14,669	)
Total deferred tax assets, net of valuation allowance		171,085			196,413
Deferred tax liabilities:
Property, equipment and other assets		5,161			5,512
Discount on notes receivable		4,204			4,204
Deferred revenue		4,148			3,985
Unrealized gain on marketable securities		1,485			4,915
Other, net		1,545			1,535
Total deferred tax liabilities		16,543			20,151
Net deferred tax asset	$	154,542		$	176,262