Income Tax (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Income Tax (Textual) [Abstract]
Federal statutory income tax rate	34.00%
Minimum [Member]
Income Tax (Textual) [Abstract]
Tax credit carryforward expiration year	2029
State Jurisdiction [Member]
Income Tax (Textual) [Abstract]
Operating loss carryforwards	7.0
State Jurisdiction [Member] | Minimum [Member]
Income Tax (Textual) [Abstract]
Operating loss carryforward expiration year	2014
Federal Jurisdiction [Member]
Income Tax (Textual) [Abstract]
Operating loss carryforwards	4.1
Operating loss carryforward expiration year	2026