Stock Options, Restricted Stock and Warrants (Schedule of Options Outstanding) (Details)	6 Months Ended
	Jun. 30, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding Number of Options	2,210,229
Options Outstanding WA Remaining Contractual Term	7 years 10 months 20 days
Options Exercisable Number of Options	1,075,166
Options Exercisable WA Remaining Contractual Term	6 years 8 months 16 days
$ 1.00 to 1.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding Number of Options	1,705,229
Options Outstanding WA Remaining Contractual Term	8 years 7 months 10 days
Options Exercisable Number of Options	622,278
Options Exercisable WA Remaining Contractual Term	7 years 9 months 18 days
$ 2.00 to 2.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding Number of Options	287,500
Options Outstanding WA Remaining Contractual Term	7 years 25 days
Options Exercisable Number of Options	235,388
Options Exercisable WA Remaining Contractual Term	6 years 11 months 19 days
$ 3.00 to 3.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding Number of Options	71,000
Options Outstanding WA Remaining Contractual Term	4 years 29 days
Options Exercisable Number of Options	71,000
Options Exercisable WA Remaining Contractual Term	4 years 25 days
$ 4.29 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding Number of Options	11,500
Options Outstanding WA Remaining Contractual Term	3 years 1 month 24 days
Options Exercisable Number of Options	11,500
Options Exercisable WA Remaining Contractual Term	3 years 1 month 24 days
$ 7.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding Number of Options	135,000
Options Outstanding WA Remaining Contractual Term	2 years 11 months 8 days
Options Exercisable Number of Options	135,000
Options Exercisable WA Remaining Contractual Term	2 years 11 months 8 days