Annual report pursuant to Section 13 and 15(d)

Deferred Revenue (Details Textual)

v2.4.0.8
Deferred Revenue (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Deferred Revenue Arrangement [Line Items]  
Payments To Acquire Delivery Contract Rights $ 5.1