XML 46 R13.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventories
6 Months Ended
Jun. 30, 2014
Inventories [Abstract]  
Inventories
(7)Inventories

      As of June 30, 2014 and December 31, 2013, substantially all of the company's inventory consisted of component parts, raw materials and milestone payments for future delivery of component parts.