Equity Plan (Tables)

12 Months Ended

Dec. 31, 2012

Statement of Stockholders' Equity [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

The number of remaining shares authorized to be issued under the various equity plans are as follows:

	2003 Equity Plan		2009 Equity Plan
Shares Authorized for Issuance	2,500,000		33,950,000
Outstanding Stock Options	(1,390,300	)	(20,296,380	)
Exercised Stock Options	(92,500	)	(5,000	)
Restricted stock or equity grants issued under Equity Plans	(889,939	)	(4,606,482	)
Total common shares remaining to be issued under the Equity Plans	127,261		9,042,138