Stock-Based Compensation (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) Number shares	Dec. 31, 2023 USD ($) Number shares	Dec. 31, 2022 shares
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares	35,000	100,000
Exercised, Number of Shares	0	0
Number of shares available for purchase	185,000	175,000	300,000
Expired, Number of Shares	25,000	225,000
Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares	0
Restricted stock unit outstanding	84,000	105,000
2013 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options fair market value	100.00%
Options expiration from date of grant	10 years
Options expiration from date of death	1 year
Maximum amount of options authorized	600,000
Number of shares available for purchase	185,000
Number of shares exercisable	97,000
Number of shares available for grant	285,000
Number of shares issued	46,000
2013 Equity Incentive Plan [Member] | Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense | $	$ 46	$ 38
Unrecognized compensation expense | $	$ 115
Number of years to recognize remaining expense	4 years
2013 Equity Incentive Plan [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of directors | Number	1	4
2013 Equity Incentive Plan [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense | $	$ 86	$ 29
Number of years to recognize remaining expense	4 years
Number of directors | Number		4
Unrecognized compensation expense related to outstanding restricted stock units | $	$ 316
Restricted stock unit outstanding	84,000
2013 Equity Incentive Plan [Member] | Vested on grant date | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Percentage	20.00%
2013 Equity Incentive Plan [Member] | Vesting on the first anniversary of the grant date [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Percentage	20.00%
2013 Equity Incentive Plan [Member] | Vesting on the first four anniversaries of the grant date | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Percentage	20.00%
2013 Equity Incentive Plan [Member] | Vesting on the second anniversary to fifth anniversary of the grant date | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting Percentage	20.00%
2013 Equity Incentive Plan [Member] | Three Non-Employee Board of Directors [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of directors | Number		3
2013 Equity Incentive Plan [Member] | Chief Executive Officer [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		25,000
2013 Equity Incentive Plan [Member] | Chief Executive Officer [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		35,000
2013 Equity Incentive Plan [Member] | Vice President [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares	10,000
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, One [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares	25,000	25,000
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, One [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		17,500
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, Two [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		25,000
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, Two [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		17,500
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, Three [Member] | Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		25,000
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, Three [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		17,500
2013 Equity Incentive Plan [Member] | Non-Employee Board of Director, Four [Member] | Unvested Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Number of Shares		17,500