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Employee Benefit Plans	12 Months Ended
	Dec. 31, 2014
Employee Benefit Plans [Abstract]
Employee Benefit Plans	13.          Employee Benefit Plans We participate in a number of individual defined contribution pension plans for our employees in Sweden. We contribute five percent (5%) of the employee’s annual salary to these pension plans. Contributions relating to these defined contribution plans for the years ended December 31, 2014, 2013 and 2012 were $249,000, $184,000 and $139,500, respectively. We match U.S. employee contributions to a 401k retirement plan up to a maximum of six percent (6%) of an employee’s annual salary. Contributions relating to the matching 401k contributions for the years ended December 31, 2014, 2013 and 2012 were $81,000, $66,000 and $27,000, respectively.

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- Definition

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.

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