Stock-Based Compensation (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) employee shares
Stock options fair market value	100.00%
Options expiration from date of grant	10 years
Options expiration from date of death	1 year
Exercised, Number of Shares	0	0
Stock Granted, Value, Share-based Compensation, Gross | $		$ 35
Unrecognized Share Based Compensation | $	$ 109
Number of Years To Recognize Remaining Expense	3 years
Recognized compensation expense | $	$ 63	$ 67
Employee [Member]
Number Of Employees That Forfeited Options To Purchase Common Shares | employee		4
Canceled/forfeited/expired, Number of Shares		11,980
Director [Member]
Granted, Number of Shares		25,000
Number of individuals receiving grants | employee		1
Stock Option Vesting Period		4 years
Vesting Percentage		20%
Former Director [Member]
Number of outside directors that forfeited options to purchase common shares | employee		1
Canceled/forfeited/expired, Number of Shares		2,500
2013 Equity Incentive Plan [Member]
Number of shares vested	165,000
Maximum amount of options authorized	300,000
Number of shares available for purchase	250,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	50,000
1997 Stock Option Plan [Member]
Number of shares vested	7,500
Maximum amount of options authorized	450,000
Number of shares available for purchase	7,500
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	0
1996 Stock Purchase Plan [Member]
Stock options fair market value		85.00%
Maximum amount of options authorized		150,000
Maximum percentage of earning employees can use to purchase company common stock		10.00%
Total Shares Issued Through Employee Stock Purchase Plans Since Inception		81,653