Stockholders' Equity (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Stockholders' Equity [Line Items]
Common Stock, Shares Authorized	110,000,000		110,000,000
Common Stock, Par Or Stated Value Per Share	$ 0.001		$ 0.001
Common Stock, Shares, Outstanding	81,873,923		81,656,763
Proceeds from Stock Options Exercised	$ 126,092	$ 0
Employee Stock Option [Member]
Stockholders' Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	217,160
Proceeds from Stock Options Exercised	$ 126,100
Common Stock [Member]
Stockholders' Equity [Line Items]
Common Stock, Shares Authorized	110,000,000
Common Stock, Par Or Stated Value Per Share	$ 0.001
Common Stock, Shares, Outstanding	81,873,923