Income Taxes (Reconciliation of Expected Income Tax Benefit Computed Using Federal Statutory Income Tax Rate) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Examination [Line Items]
Income tax benefit based on federal statutory rate	$ (2,729,000)	$ (2,637,000)
State income tax benefit, net of federal income tax	(413,000)	(216,000)
Change in deferred tax valuation allowance	3,048,000	849,000
Stock-based compensation	75,000	988,000
Foreign net operating loss	0	785,000
Other, net	19,000	231,000
Income tax provision	$ 0	$ 0