CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
OPERATING ACTIVITIES:
Net income (loss)	$ 23,756	$ (5,913)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,309	2,745
Write-off and amortization of deferred financing fees	1,596	546
Non-cash stock compensation expense	2,494	1,305
Non-cash change in fair value of warrants liability	0	8,881
Amortization of debt discount	286	0
Equity in earnings of unconsolidated joint venture	(14,530)	(833)
Changes in operating assets and liabilities:
Trade accounts receivable	(5,068)	(2,905)
Inventories	(3,521)	(2,122)
Prepaid expenses and other current assets	(1,120)	960
Supply agreement termination liabilities	0	(1,500)
Trade accounts payable	3,222	781
Accrued expenses and other liabilities	(1,087)	(256)
NET CASH PROVIDED BY OPERATING ACTIVITIES	8,337	1,689
INVESTING ACTIVITIES:
Payments for acquisitions	(26,011)	0
Purchases of property, plant and equipment	(6,239)	(1,611)
Distribution from unconsolidated joint venture	3,131	958
Purchase of product licensing rights	(4,000)	0
NET CASH USED IN INVESTING ACTIVITIES	(33,119)	(653)
FINANCING ACTIVITIES:
Proceeds from issuance of convertible notes	120,000	0
Debt financing costs	(4,587)	0
Repayments of line of credit	0	(3,000)
Net proceeds from common stock offering and warrant exercises	1,727	4,969
Proceeds under stock option and stock purchase plans	502	137
NET CASH PROVIDED BY FINANCING ACTIVITIES	117,642	2,106
INCREASE IN CASH AND CASH EQUIVALENTS	92,860	3,142
Cash and cash equivalents at beginning of period	41,623	1,617
CASH AND CASH EQUIVALENTS AT END OF PERIOD	134,483	4,759
SUPPLEMENTAL DISCLOSURES
Amount paid for interest	8	517
Amount paid for income taxes	$ 1,155	$ 96