Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Preferred Stock, par value	$ 0.001	$ 0.001
Preferred Stock, shares authorized	5,000,000	5,000,000
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, shares authorized	75,000,000	75,000,000
Common Stock, shares issued	53,610,470	52,730,799
Common Stock, shares outstanding	53,594,979	52,715,308
Treasury stock, shares	15,491	15,491
Series A Non-Voting Convertible Preferred Stock [Member]
Preferred Stock, shares outstanding	2,093,155	2,093,155