Share Based Compensation (Narrative) (Details) (USD $)	0 Months Ended												12 Months Ended																	12 Months Ended			12 Months Ended								1 Months Ended		12 Months Ended
	Aug. 06, 2013		Mar. 26, 2013		Sep. 19, 2012		Apr. 18, 2012		Sep. 14, 2011		Mar. 30, 2011		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Two Thousand And Eight Equity Incentive Plan [Member]	Dec. 31, 2013 Two Thousand Performance Equity Plan [Member]	Dec. 31, 2013 Two Thousand And Eleven Long Term Incentive Equity Plan [Member]	Dec. 31, 2013 Restricted Stock Award [Member]	Dec. 31, 2012 Restricted Stock Award [Member]	Dec. 31, 2011 Restricted Stock Award [Member]	Dec. 31, 2013 Restricted Stock Award And Restricted Stock Unit [Member] Plan Based [Member]	Dec. 31, 2012 Restricted Stock Award And Restricted Stock Unit [Member] Plan Based [Member]	Dec. 31, 2013 Stock Options [Member] Plan Based [Member]	Dec. 31, 2012 Stock Options [Member] Plan Based [Member]	Dec. 31, 2011 Stock Options [Member] Plan Based [Member]	Dec. 31, 2012 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2013 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2011 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2013 Restricted Stock Units (RSUs) [Member] Non Plan [Member]	Dec. 31, 2011 Restricted Stock Units (RSUs) [Member] Non Plan [Member]	Dec. 31, 2012 Restricted Stock Units (RSUs) [Member] Non Plan [Member]	Dec. 31, 2013 Warrant [Member]	Dec. 31, 2012 Warrant [Member]	Dec. 31, 2013 Warrants And Options [Member]	Dec. 31, 2012 Warrants And Options [Member]	Dec. 31, 2011 Warrants And Options [Member]	Dec. 31, 2013 Warrants And Options [Member] Non Plan [Member]	Dec. 31, 2012 Warrants And Options [Member] Non Plan [Member]	Dec. 31, 2011 Warrants And Options [Member] Non Plan [Member]	Nov. 30, 2013 Consultants [Member] Performance Based Restricted Stock Units [Member] Non Plan [Member]	Nov. 30, 2013 Consultants [Member] Restricted Stock Units (RSUs) [Member] Non Plan [Member]	Dec. 31, 2013 Consultants [Member] Restricted Stock Units (RSUs) [Member] Non Plan [Member]	Dec. 31, 2012 Consultants [Member] Restricted Stock Units (RSUs) [Member] Non Plan [Member]	Dec. 31, 2012 Non Employee [Member] Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, net of estimated forfeitures													$ 4,131,257
Expected weighted average period to recognize the compensation cost, in years													1 year 1 month 6 days
Number of shares authorized																500,000	5,000,000	5,000,000
Number of shares available for grant																8,315	631,134	7,000
Maximum number of shares per employee																50,000	1,000,000	1,500,000
Non-vested shares																			0	0	0	999,050	953,842				1,433,842	1,882,384	1,104,377	883,334		480,000
Non-vested shares, forfeited																			0	0	0	0								0
Vesting period																											3 years																6 months		1 year
Granted, Shares																						259,290								900,000											750,000	150,000
Total share-based expense													6,931,438	3,553,414	1,437,174																29,000												1,912,000	960,000
Issuance of common stock and warrants in private and public offerings, shares																																	1,849,517	2,607,911
Weighted average fair value of option shares granted																								$ 2.53	$ 2.65	$ 0.66
Fair market value of vested shares																								3,285,859	1,404,456	192,959												129,192	166,668	470,383
Vested fair value																							871,417
Intristic value																								648,433	62,945	0									3,038,635	3,831,971	232,269
Net proceeds from exercise of options and warrants	$ 13,000,000	[1]	$ 14,300,000	[1],[2]	$ 9,200,000	[1]	$ 8,300,000	[1]	$ 6,500,000	[1]	$ 4,100,000	[1],[3]	$ 1,147,380	$ 1,381,694	$ 330,938

[1] After deduction of applicable underwriters’ discounts, placement agent fees, and other offering costs.

[2] Ladenburg Thalmann Financial Services Inc. acted as underwriter for the transaction.

[3] Offering included the sale of 3,332,117 shares of common stock at $0.71 per share and 2,691,360 units, each consisting of one share of common stock and three-tenths of a warrant to purchase common stock, at $0.81 per unit. The warrants are exercisable beginning September 30, 2011 and expire on September 30, 2016. The warrants were recorded at their relative fair value of approximately $0.4 million as estimated at their grant date using the Black-Scholes option pricing model (see Note 8)