For the three months ended December 31, 2012, one customer represented 25%, one customer represented 24% and one customer represented 15% of net revenue, and for the three months ended December 31, 2011, one customer represented 24% of net revenue. 

For the nine months ended December 31, 2012, one customer represented 27% of net revenue, and for the nine months ended December 31, 2011, one customer represented 25% of net revenue.

At December 31, 2012, one customer represented 43%, one customer represented 14%, and one customer represented 14% of the net accounts receivable balance. At March 31, 2012, one customer represented 13% and two customers each, respectively, represented 12% of the net accounts receivable balance.