Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013 Federal Tax Authority	Dec. 31, 2013 Federal Tax Authority Capital Loss Carryforward	Dec. 31, 2013 State Tax Authority	Dec. 31, 2013 State Tax Authority Capital Loss Carryforward	Dec. 31, 2013 Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Loss before provision for income taxes	$ (1,586,000)	$ (878,000)	$ (5,552,000)	$ (5,006,000)
Interest and penalties on a settlement of a tax audit of a foreign subsidiary	300,000
Net operating losses					172,300,000		93,100,000		95,800,000
Capital loss carryforwards						$ 110,500,000		$ 24,000,000