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Inventory
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventory
Inventory — Inventory of $2.7 million and $2.2 million at September 30, 2014 and December 31, 2013, respectively, consisted of third-party hardware and software held for resale. We use the first in, first out cost method. Inventory increased by $0.5 million during the nine months ended September 30, 2014 due primarily to the increase in the purchase of third party hardware associated with sales orders and the volume of orders processed.