Earnings per Share - Antidilutive Securities (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	8,856,000	8,578,000	8,675,000	8,362,000
Weighted average exercise price of stock otions	$ 0.68	$ 0.68	$ 0.68	$ 0.69
Number of shares issued during the period excluded from computation of earnings per share	400,000	600,000	200,000	300,000
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	500,000	800,000	600,000	800,000