Accounts Receivable and revenue concentrations

3 Months Ended

Mar. 31, 2012

Accounts Receivable and revenue concentrations [Abstract]

Accounts receivable and revenue concentrations

2. Accounts receivable and revenue concentrations

Four customers accounted for 91% of total accounts receivable a March 31, 2012. Customer one accounted for 10%, customer two accounted for 12%, customer three accounted for 14% and customer four accounted for 55% of total accounts receivable. Two customers accounted for 61% and 15%, respectively, of gross accounts receivable as of March 31, 2011.

One customer accounted for 64% of total revenue for the three months ended March 31, 2012. Two customers accounted for 24% and 13%, respectively, of total revenue for the three months ended March 31, 2011.