Fair Value (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Fair Value [Abstract]
Long-term investments	$ 1,300,000
Maturity term	10 years
Unrealized losses still held	91,000	1,533,000
Fair value of auction rate securities	$ 1,200,000