Stock Options (Schedule Of Stock Option Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock Options [Abstract]
Shares, Outstanding beginning of year	1,372,250	1,471,000	1,571,000
Shares, Granted	75,000	87,500	186,745
Shares, Exercised		(105,000)	(50,000)
Shares, Expired/cancelled	(577,000)	(81,250)	(236,745)
Shares, Outstanding end of year	870,250	1,372,250	1,471,000
Weighted Average Exercise Price, Outstanding beginning of year	$ 0.61	$ 0.61	$ 0.60
Weighted Average Exercise Price, Granted	$ 0.54	$ 0.85	$ 1.01
Weighted Average Exercise Price, Exercised	$ 0.57	$ 0.50	$ 0.57
Weighted Average Exercise Price, Expired/cancelled	$ 0.72	$ 1.12	$ 0.82
Weighted Average Exercise Price, Outstanding end of year	$ 0.59	$ 0.61	$ 0.61
Excersiable, end of year, Shares	790,250	1,212,250	1,231,000
Excersiable, end of year, Weighted Average Exercise Price	$ 0.60	$ 0.62