The Company And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Basis of Presentation [Line Items]
Gain on auction rate securities			$ 200,000
Customer revenue percentage	10.00%	10.00%	10.00%
Allowance for doubtful accounts	1,169,000	116,000
(Benefit) provision for income tax	(3,348,000)	670,000	2,176,000
Intangible assets, useful life	13 years 6 months
Business tax	5.00%
Sales tax and surcharge costs	3,800,000	2,600,000	1,000,000
Advertising expenses	200,000	200,000	200,000
Accrued interest related to tax positions	800,000	400,000
Stock decrease due to repurchase	4,709,000	781,000
Increase in common stock outstanding due to stock option exercises	1,270,000	2,288,000	730,000
Increase in common stock outstanding due to acquisition		8,298,110
Shares excluded from the calculation of diluted net income per share	3,280,492	3,030,664	2,872,513
Shares excluded from calculation of diluted net income per share due to market or performance conditions	118,046	35,068	155,000
Customer [Member]
Basis of Presentation [Line Items]
Allowance for doubtful accounts	1,000,000
Total accounts receivable	3,500,000
Largest China Customer[Member]
Basis of Presentation [Line Items]
Customer revenue percentage	53.00%	62.00%	74.00%
Accounts receivable	27,600,000
Percentage of accounts receivable, net	70.00%
China Customer Two [Member]
Basis of Presentation [Line Items]
Customer revenue percentage	20.00%	15.00%	14.00%
China Customer Three [Member]
Basis of Presentation [Line Items]
Customer revenue percentage	12.00%	15.00%
Accounts receivable attributable to Four Customers [Member]
Basis of Presentation [Line Items]
Accounts receivable	33,700,000
Percentage of accounts receivable, net	86.00%
Aggrastat Product Sales [Member]
Basis of Presentation [Line Items]
Product returns reserve amount	100,000	100,000
Expired product liability	300,000	800,000
Minimum [Member] | Customer [Member]
Basis of Presentation [Line Items]
Accounts receivable	0
Maximum [Member] | Customer [Member]
Basis of Presentation [Line Items]
Accounts receivable	3,500,000
NovaMed [Member]
Basis of Presentation [Line Items]
Business Acquisition Contingent Consideration	$ 43,000,000