For the three months ended June 30, 2017, one customer represented 18% of net revenue, one customer represented 16% of net revenue, one customer represented 12% of net revenue and one customer represented 11% of net revenue. For the three months ended June 30, 2016, one customer represented 29% of net revenue.

At June 30, 2017, one customer represented 41%, and one customer represented 16% of the net accounts receivable balance. At March 31, 2017, one customer represented 26%, one customer represented 12%, and one customer represented 10% of the net accounts receivable balance.