Principal Business Activities and Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2012
Principal Business Activities and Summary of Significant Accounting Policies [Abstract]
Organization and Business	Organization and Business
Foreign Exchange	Foreign Exchange
Revenue Recognition	Revenue Recognition
Inventories	Inventories
Business Segments	Business Segments
Cash and Cash Equivalents	Cash and Cash Equivalents
Property and Equipment	Property and Equipment
Patents	Patents
Litigation	Litigation
Estimates	Estimates
Long-lived Assets	Long-lived Assets
Research and Development	Research and Development
Stock-Based Compensation	Stock-Based Compensation
Financial Instruments	Financial Instruments
Net Loss per Common Share	Net Loss per Common Share
Comprehensive loss	Comprehensive loss
Recently Issued Accounting Standards	Recently Issued Accounting Standards