Share-Based Payment Arrangements (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified		6 Months Ended						6 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				0 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Long Term Incentive Plan 2005 [Member]	May 26, 2005 Long Term Incentive Plan 2005 [Member]	Jun. 30, 2014 Long Term Incentive Plan 2005 [Member] First Anniversary [Member] Option Issued Prior to 2009 [Member]	Jun. 30, 2014 Long Term Incentive Plan 2005 [Member] Second Anniversary [Member] Option Issued Prior to 2009 [Member]	Jun. 30, 2014 Long Term Incentive Plan 2005 [Member] Third Anniversary [Member] Option Issued Prior to 2009 [Member]	Jun. 30, 2014 Long Term Incentive Plan 2005 [Member] Fourth Anniversary [Member] Option Issued Prior to 2009 [Member]	Jun. 30, 2014 Incentive Stock Options 2010 [Member] Long Term Incentive Plan 2005 [Member]	Jun. 30, 2014 Incentive Stock Options 2011 [Member] 5,000 Grant [Member]	Jun. 30, 2014 Incentive Stock Options 2011 [Member] Long Term Incentive Plan 2005 [Member] 5,000 Grant [Member]	Jun. 30, 2014 Non Qualified Stock Options [Member] Long Term Incentive Plan 2005 [Member]	Jun. 30, 2014 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2014 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member] Minimum [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member] Maximum [Member]	Apr. 10, 2013 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]	Jul. 27, 2012 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]	Jun. 30, 2014 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member] Long Term Incentive Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, number of shares authorized			2,000,000
Number of incentive stock options to purchase shares of common stock outstanding		1,032,023
Number of non-qualified stock options to purchase shares of common stock outstanding		304,157									200,000
Number of restricted stock units to receive shares of common stock																				355,277
Share-based payment award vesting rights								3 years			7 years
Percentage of restricted stock units granted as result of meeting growth rates																50.00%	150.00%
Number of options vested or expected to vest								25,000	5,000
Share-based payment, award vesting period										7 years
Incentive stock options termination period								10 years		10 years
Non qualified stock options termination period		10 years									10 years
Percentage of options vested or expected to vest		100.00%		10.00%	20.00%	30.00%	40.00%
Total unrecognized compensation cost related to non-vested share-based compensation arrangements	$ 361																			$ 382
Compensation costs expected to be recognized during remainder of the fiscal period	102																			124
Compensation costs expected to be recognized during year two	203																			209
Compensation costs expected to be recognized during year three	53																			49
Compensation costs expected to be recognized during year four	3
Other than options, granted																		122,823	129,463
Other than options, forfeited																					9,280
Allocated share-based compensation expense												61		123	32
Options granted, weighted average grant date fair value														$ 9.20
Shares reserved for future issuance		290,568
Income tax benefit of share-based payments recognized in income												$ 22	$ 11	$ 43	$ 11