Summary of Significant Accounting Policies Computation of Basic and Diluted net loss per share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Computation of Basic and Diluted net loss Per Share [Abstract]
Net loss Attributable to Parent	$ (17,610)	$ (12,818)	$ (13,000)
Weighted Average Number of Shares Outstanding, Basic	43,092,000	42,650,000	42,083,000
Shares Used in Computation of Basic Earning Loss Per Share	43,092,000	42,650,000	42,083,000
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0	0
Weighted Average Number of Shares Outstanding, Diluted	43,092,000	42,650,000	42,083,000
Earnings Per Share, Basic	$ (0.41)	$ (0.30)	$ (0.31)
Earnings Per Share, Diluted	$ (0.41)	$ (0.30)	$ (0.31)
Stock Awards Excluded from Computation of Earnings Per Share Amount	5,472,946	5,868,929	5,625,065