Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Summary of Significant Accounting Policies [Abstract]
Impairment of Long-Lived Assets Held-for-use	$ 687,000	$ 0	$ 687,000	$ 0
Line of Credit Maintained			5,000,000
Number of Major Customers	6	6	6	6
Percentage of net revenue	48.70%	68.50%	47.90%	67.60%
Number of Letter of Credit	1		1
Letters of Credit Outstanding, Amount	$ 113,000		$ 113,000