Nature of Business and Basis of Presentation

12 Months Ended

Dec. 31, 2012

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

1. Nature of Business and Basis of Presentation

Psychemedics Corporation (the “Company”) is the world’s largest provider of hair testing for drugs of abuse, utilizing a patented hair analysis method involving liquefying hair, enzyme immunoassay technology and confirmation by mass spectrometry to analyze human hair to detect abused substances. The Company’s customers include Fortune 500 companies, as well as small to mid-size corporations, schools and governmental entities located in the United States and internationally.