DNDN Cash Flow Statement

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Operating Activities:
Net loss -72.01M
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense 7.76M
Non-cash stock-based compensation expense 2.09M
Loss on valuation of warrant liability
Amortization of securities discount and premium 760K
Amortization of convertible notes discount and debt issuance costs 6.93M
Other
Changes in operating assets and liabilities:
Trade accounts receivable -225K
Inventory -12.31M
Prepaid antigen costs
Prepaid expenses and other assets -5.54M
Accounts payable 528K
Accrued liabilities and compensation -9.43M
Net cash used in operating activities -87.81M
Investing Activities:
Maturities and sales of investments 53.52M
Purchases of investments -18.93M
Purchases of property and equipment -1.35M
Net cash used in investing activities 33.25M
Financing Activities:
Net proceeds from issuance of convertible debt
Proceeds from exercise of warrant
Payments on facility lease obligations -167K
Payments on capital lease obligations -2.38M
Proceeds from release of security deposits 2K
Payments on letters of credit
Issuance of common stock under Employee Stock Purchase Plan
Net proceeds from exercise of stock options and other
Net cash provided by financing activities -3.28M
Net increase (decrease) in cash and cash equivalents -57.83M
Cash and cash equivalents at beginning of period 188.41M
Cash and cash equivalents at end of period 130.58M
Supplemental Disclosure of Cash Flow Information:
Cash paid during the period for interest 10.57M
Assets acquired under facility and capital leases
Increase in asset retirement obligation
Exercise of warrants