Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Narrative) (Details)

v2.4.0.8
Marketable Securities (Narrative) (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Minimum
   
Available-for-sale maturity period 3 months 3 months
Maximum
   
Available-for-sale maturity period 12 months 12 months