The net increase was primarily due to net proceeds from the issuance of common stock of $39.6 million, net proceeds from the GECC/MidCap note payable of $23.8 million, and draws on our Platinum credit facility of $4.0 million, offset by cash used to fund our operations, mainly for research and development activities, of $35.6 million, principal payments on our notes payable of $6.0 million, purcha