Selected Quarterly Information

12 Months Ended

Dec. 31, 2011

SELECTED QUARTERLY FINANCIAL DATA (unaudited) [Abstract]

Quarterly Financial Information [Text Block]

SELECTED QUARTERLY FINANCIAL DATA (unaudited)

The following table presents selected unaudited Statements of Operations and Balance Sheet information for each of the quarters in the years ended December 31, 2011 and 2010 (in thousands, except per share data):

Selected Statements of Operations information:

	For the Quarter Ended
Year Ended December 31, 2011	December 31			September 30			June 30			March 31
Revenue	$	751		$	989		$	1,027		$	1,184
Research and Development Expense	4,681			4,145			6,701			8,595
Selling, General and Administrative Expense	1,511			1,524			1,642			2,454
Impairment Loss	—			—			78,000			—
Loss from Operations	(5,441		)	(4,680		)	(85,316		)	(9,865		)
Net Loss	(5,557		)	(5,363		)	(85,169		)	(9,655		)
Basic and diluted loss per share	$	(0.14	)	$	(0.15	)	$	(2.63	)	$	(0.30	)
Selected Balance Sheet information:
	For the Quarter Ended
Year Ended December 31, 2011	December 31			September 30			June 30			March 31
Current Assets	$	27,113		$	31,094		$	29,275		$	35,532
Total Assets	61,425			66,447			69,096			153,502
Current Liabilities	4,780			4,780			9,423			8,951
Working Capital	22,333			26,314			19,852			26,581
Long-Term Obligations	6,642			6,704			6,763			6,823
Stockholders’ Equity	50,003			54,963			52,910			137,728
Selected Statements of Operations information:
	For the Quarter Ended
Year Ended December 31, 2010	December 31			September 30			June 30			March 31
Revenue	$	1,196		$	623		$	446		$	216
Research and Development Expense	7,450			6,418			5,928			4,558
Selling, General and Administrative Expense	1,650			1,754			1,919			2,131
Impairment Loss	1,769			—			—			—
Loss from Operations	(9,673		)	(7,549		)	(7,401		)	(6,473		)
Net Loss	(9,757		)	(7,181		)	(7,692		)	(6,604		)
Basic and diluted loss per share	$	(0.33	)	$	(0.27	)	$	(0.29	)	$	(0.25	)
Selected Balance Sheet information:
	For the Quarter Ended
Year Ended December 31, 2010	December 31			September 30			June 30			March 31
Current Assets	$	47,664		$	37,560		$	42,968		$	52,470
Total Assets	160,021			148,020			154,498			164,510
Current Liabilities	6,176			5,647			5,493			8,440
Working Capital	41,488			31,913			37,475			44,030
Long-Term Obligations	7,279			7,323			7,381			7,439
Stockholders’ Equity	146,566			135,051			141,624			148,632