Stock-Based Compensation (Details)	12 Months Ended
	Dec. 31, 2012
Shares Available For Issuance at December 31, 2012	2,687,637
2011 Stock Incentive Plan [Member]
Date Adopted	Apr. 07, 2011
Shares Reserved For Issuance	2,000,000
Shares Available For Issuance at December 31, 2012	1,250,105
2005 Stock Option Plan [Member]
Date Adopted	Dec. 16, 2005
Shares Reserved For Issuance	600,000
Shares Available For Issuance at December 31, 2012	600,000
2003 Stock Option Plan [Member]
Date Adopted	Sep. 24, 2003
Shares Reserved For Issuance	1,500,000
Shares Available For Issuance at December 31, 2012	437,532
2003 Stock Incentive Plan
Date Adopted	Oct. 31, 2003
Shares Reserved For Issuance	300,000
Shares Available For Issuance at December 31, 2012	300,000
2002 Stock Option Plan [Member]
Date Adopted	Jun. 06, 2002
Shares Reserved For Issuance	100,000
Shares Available For Issuance at December 31, 2012	100,000