Annual report pursuant to Section 13 and 15(d)

Marketable Securities Narrative (Details)

v2.4.1.9
Marketable Securities Narrative (Details)
12 Months Ended
Dec. 31, 2014
Minimum  
Marketable Securities [Line Items]  
Available-for-sale maturity period 3 months
Maximum  
Marketable Securities [Line Items]  
Available-for-sale maturity period 12 months