Accounting For Stock-Based Compensation (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	$ 447,000	$ 449,000
Unrecognized compensation cost related to non-vested equity based compensation	674,000
Unrecognized equity based compensation weighted average period, years	2 years 2 months 19 days
Fair value of shares vested	267,000	178,000
Shares, Granted	15,750	36,528
Weighted Average Grant Date Fair Value, Granted	$ 5.39	$ 7.37
Stock Options And Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	373,000	354,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock reserved for stock based benefits	1,022,799
Vesting period, years	4 years
Number of shares available for future issuance	389,373
Weighted average remaining contractual term, years	4 years
Aggregate intrinsic value for all options outstanding	255,000
Weighted average remaining contractual term for exercisable options, years	2 years 8 months 16 days
Aggregate intrinsic value of exercisable options	168,000
Aggregate intrinsic value of exercised stock options	4,300	10,000
Proceeds from exercise of stock options	25,000
Stock Options [Member] | Contractual Term Seven Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration of stock options from date of grant, years	7 years
Stock Options [Member] | Contractual Term Ten Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration of stock options from date of grant, years	10 years
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	44,000	54,000
Number of shares available for future issuance	153,926
Maximum contribution per plan year	6,500
Employees can purchase stock at the percentage rate of the lower of the market price on the first or last day of the offering period	85.00%
Share issuances for compensation purposes, shares	12,656	19,759
Employee Stock Purchase Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payroll deduction for employee stock purchase plan percentage	1.00%
Employee Stock Purchase Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payroll deduction for employee stock purchase plan percentage	10.00%
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares vested	78,000	69,000
Vesting period, years	4 years
Aggregate intrinsic value for all options outstanding	300,000
Restricted stock units to common stock ratio, shares entitled	1
Stock Grant Plan For Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity based compensation expense	$ 30,000	$ 41,000
Weighted average grant date fair value	$ 6.08	$ 8.17
Shares of common stock reserved for stock based benefits	30,000
Number of shares available for future issuance	6,000
Number of shares granted for non-employee directors upon re-election	1,000
Plan expiration date	May 19, 2018
Share issuances for compensation purposes, shares	5,000	5,000