Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities:
Net loss	$ (4,760)	$ (12,905)
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation	11,454	11,901
Amortization of deferred costs	349	349
Loss on disposal of property, plant and equipment	66	28
Stock based compensation	1,959	821
Change in interest receivable, due from related parties	(87)	(1,221)
Change in investments in joint ventures as a result of loss	5,071	4,053
Realized gain on short-term investments - available-for-sale securities		(379)
Deferred income tax benefit	(2,831)	(8,243)
(Provision) recovery for doubtful accounts receivable	(22)	6
Changes in operating assets and liabilities:
Accounts receivable, net	(19,722)	(2,711)
Accounts receivable, due from related parties	2,348	(13,232)
Income taxes receivable	(12)	1,661
Inventories, net	(20,098)	(1,598)
Prepaid expenses and other current assets	(781)	440
Accounts payable	10,690	4,458
Accounts payable, due to related parties	(183)	(229)
Accrued expenses and taxes	3,073	729
Other	(1,249)	(782)
Net cash used in operating activities	(14,735)	(16,854)
Investing activities:
Purchases of property, plant and equipment	(1,561)	(3,727)
Proceeds from the sale of property, plant and equipment	117	104
Proceeds from the sale of short-term investments - available-for-sale securities		4,180
Investments in and loans to joint ventures	(2,296)	(10,680)
Net cash used in investing activities	(3,740)	(10,123)
Financing activities:
Proceeds from stock option exercises	756
Net cash provided by financing activities	756
Effect of exchange rate changes on cash and cash equivalents	12	(6)
Decrease in cash and cash equivalents	(17,707)	(26,983)
Cash and cash equivalents at beginning of period	318,758	347,290
Cash and cash equivalents at end of period	$ 301,051	$ 320,307