Notes Receivable Notes Receivable (Details) (USD $)	6 Months Ended	0 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended	0 Months Ended
	Jun. 30, 2014	Dec. 31, 2013 Convertible Notes Receivable	Dec. 31, 2012 Convertible Notes Receivable	Jun. 30, 2014 Convertible Notes Receivable	Jul. 31, 2012 Convertible Notes Receivable note	Jun. 30, 2014 Convertible Notes Receivable	Jul. 30, 2014 Convertible Notes Receivable Subsequent Event
Accounts, Notes, Loans and Financing Receivable [Line Items]
Origination of notes receivable			$ 4,000,000		$ 1,000,000
Number of notes receivable					2
Interest rate on notes receivable					6.00%
Principal payment received on notes receivable		1,000,000
Number of times of outstanding principal to be received if borrower closes a corporate transaction	2
Minimum percentage of voting power transferred in corporate transaction	50.00%
Minimum amount of aggregate proceeds received in qualified financing	6,000,000
Percent of lowest price per share the borrower received in qualified financing	0.8
Increase in notes receivable				4,000,000		4,000,000	4,000,000
Period borrower cannot sell exclusive features to other customers	24 months
Fair value of convertible notes receivable		$ 4,000,000		$ 8,000,000		$ 8,000,000