Share-Based Compensation Share-Based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended								9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Stock Option [Member]	Sep. 30, 2014 Warrants	Sep. 30, 2013 Warrants	Dec. 31, 2013 Warrants	Sep. 30, 2014 Stock Options [Member]	Dec. 31, 2013 Stock Options [Member]	Sep. 30, 2014 Restricted Stock [Member]	Sep. 30, 2014 Cost of revenue	Sep. 30, 2013 Cost of revenue	Sep. 30, 2014 Cost of revenue	Sep. 30, 2013 Cost of revenue	Sep. 30, 2014 Research and development	Sep. 30, 2013 Research and development	Sep. 30, 2014 Research and development	Sep. 30, 2013 Research and development	Sep. 30, 2014 Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 Selling, General and Administrative Expenses [Member]	Sep. 30, 2014 Selling, General and Administrative Expenses [Member]	Sep. 30, 2013 Selling, General and Administrative Expenses [Member]	Sep. 30, 2014 Stock Option [Member]	Sep. 30, 2013 Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 3,287,900	$ 2,127,600	$ 8,941,500	$ 5,412,500								$ 55,900	$ 88,800	$ 292,600	$ 233,700	$ 515,700	$ 319,900	$ 1,364,200	$ 667,000	$ 2,716,300	$ 1,718,900	$ 7,284,700	$ 4,511,800
Unrecognized compensation cost					6,266,700	20,400					327,400
Expected weighted-average period in years of compensation cost to be recognized					4 years 11 months 9 days	9 months 15 days					3 months 22 days
Total fair value of shares vested						$ 15,300	$ 123,000																	$ 4,141,600	$ 2,470,000
Weighted average estimated fair value of shares granted						$ 0.00		$ 3.45	$ 4.67	$ 4.30