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Note 9 - Convertible Notes and Non-recourse Notes (Detail) - Interest Expense For Our Series 2012 Notes (Series 2012 Notes [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Series 2012 Notes [Member]
Contractual coupon interest	$ 1,263
Amortization of debt issuance costs	271
Amortization of debt discount	1,365
Total	$ 2,899

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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