Stockholders' Equity (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Stockholders' Equity [Line Items]
Common Stock, Shares Authorized	110,000,000		110,000,000		110,000,000
Common Stock, Par Or Stated Value Per Share	$ 0.001		$ 0.001		$ 0.001
Common Stock, Shares, Outstanding	82,481,792		82,481,792		81,656,763
Proceeds from Stock Options Exercised			$ 670,458	$ 34,000
Employee Stock Option [Member]
Stockholders' Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	607,869	75,000	825,029	75,000
Proceeds from Stock Options Exercised	$ 544,400	$ 34,000	$ 670,500	$ 34,000
Common Stock [Member]
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	82,481,792		82,481,792