Employee Benefit Plan	12 Months Ended
Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]
Compensation and Employee Benefit Plans [Text Block]	8. Employee Benefit Plan The Psychemedics Corporation 401(k) Savings and Retirement Plan (the 401(k) Plan) is a qualified defined contribution plan in accordance with Section 401(k) of the Internal Revenue Code. All employees over the age of 21 are eligible to make pre-tax contributions up to a specified percentage of their compensation. Under the 401(k) Plan, the Company may, but is not obligated to, match a portion of the employees’ contributions up to a defined maximum. Matching contributions of $122,961, $0, and $55,018 were made in the years ended December 31, 2011, 2010 and 2009, respectively.

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

No definition available.

Name:	us-gaap_CompensationAndEmployeeBenefitPlansTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration