Stockholders' Equity (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Stockholders' Equity (Textual) [Abstract]
Number of Shares, granted	0
Term of options granted period	10 years
Weighted average grant date fair value of options granted	$ 1.62
Unrecognized compensation cost related to unvested share-based compensation awards granted	$ 1.1
Directors and Employees [Member]
Stockholders' Equity (Textual) [Abstract]
Number of Shares, granted	584,214
Options granted to employees and directors, values	$ 0.9
Options vested, shares	194,008