Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Equity awards granted during the period,Grants in Period, Gross [Table Text Block]

The following table summarizes the awards granted under the Radisys Corporation 2007 and LTIP Stock Plans (in thousands):

	Three Months Ended
	March 31,
	2013	2012
Stock options	490	44
Restricted stock units	3	14
Performance based restricted stock units	36	—
Total	529	58

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

Stock-based compensation was recognized and allocated as follows (in thousands):

	Three Months Ended
	March 31,
	2013		2012
Cost of sales	$	130	$	(71	)
Research and development	249		327
Selling, general and administrative	720		666
Total	$	1,099	$	922