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Significant Customer Concentrations
 6 Months Ended
Jun. 30, 2013
Significant Customer Concentrations [Abstract]  
Significant Customer Concentrations
Significant Customer Concentration
A credit concentration may exist if customers are involved in similar industries, economic sectors, and geographic regions. Our retail distributors operate in similar economic sectors but diverse domestic geographic regions. The loss of a significant retail distributor could have a material adverse effect upon our card sales, profitability, and revenue growth.
Revenues derived from our products sold at our four largest retail distributors represented the following percentages of our total operating revenues:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2013
 
2012
 
2013
 
2012
Walmart
65%
 
64%
 
66%
 
64%
Three other largest retail distributors, as a group
22%
 
21%
 
22%
 
21%
Excluding stock-based retailer incentive compensation of $2.0 million and $2.6 million for the three-month periods ended June 30, 2013 and 2012, respectively, and $3.6 million and $5.8 million for the six-month periods ended June 30, 2013 and 2012, respectively, revenues derived from our products sold at our four largest retail distributors represented the following percentages of our total operating revenues:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2013
 
2012
 
2013
 
2012
Walmart
65%
 
65%
 
66%
 
65%
Three other largest retail distributors, as a group
21%
 
21%
 
21%
 
20%
The concentration of GPR cards activated (in units) and the concentration of sales of cash transfer products (in units) derived from our products sold at our four largest retail distributors was as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2013
 
2012
 
2013
 
2012
Concentration of GPR cards activated (in units)
85%
 
88%
 
84%
 
88%
Concentration of sales of cash transfer products (in units)
87%
 
88%
 
88%
 
89%
Settlement assets derived from our products sold at our four largest retail distributors comprised the following percentages of the settlement assets recorded on our consolidated balance sheet:
 
June 30, 2013
 
December 31, 2012
Walmart
41%
 
35%
Three other largest retail distributors, as a group
50%
 
38%

At June 30, 2013 and December 31, 2012, the customer funds underlying the Walmart co-branded GPR cards were held by GE Capital Retail Bank. These funds are held in trust for the benefit of the customers, and we have no legal rights to the customer funds. Additionally, we have receivables due from GE Capital Retail Bank that are included in accounts receivable, net, on our consolidated balance sheets. The failure of this entity could result in significant business disruption, a potential material adverse effect on our ability to service our customers, potential contingent obligations by us to customers and material write-offs of uncollectible receivables. We are in the process of obtaining regulatory approval for the proposed transition of these customer funds to our subsidiary bank.