Quarterly report pursuant to Section 13 or 15(d)

Deferred Revenue (Details Textual)

v2.4.0.8
Deferred Revenue (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Deferred Revenue Arrangement [Line Items]  
Payments To Acquire Delivery Contract Rights $ 5.1