Net Income per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule Of Nonvested Stock Options and Restricted Stock Units Activity [Table Text Block]

Outstanding options and unvested restricted stock as of June 30, 2014 and 2013, were as follows:

	Options and
	Unvested Restricted Stock	Price Range
Balance sheet date:
June 30, 2014	2,550,125	$0.00 - $5.06
June 30, 2013	1,921,095	$0.00 - $5.06