| Cash flows from operating activities: | |
| Net loss | |
| Adjustments to reconcile net loss attributable to Alexza common stockholders to net cash provided by (used in) operating activities: | |
| Share-based compensation | 659K |
| Extinguishment of officer note receivable | |
| Change in fair value of contingent liability | 10.9M |
| Issuance of common stock for intellectual property | |
| Charge for acquired in-process research and development | |
| Amortization of assembled workforce | |
| Amortization of debt discount and deferred interest | 83K |
| Amortization of premium (discount) on available-for-sale securities | |
| Depreciation and amortization | 847K |
| Write-off of other asset | |
| (Gain)/loss on disposal of property and equipment | |
| Changes in operating assets and liabilities: | |
| Other receivables | 0 |
| Prepaid expenses and other current assets | 344K |
| Other assets | 1K |
| Accounts payable | 1.21M |
| Accrued clinical and other accrued liabilities | -835K |
| Deferred revenues | -729K |
| Other liabilities | -438K |
| Net cash provided by (used in) operating activities | -9.11M |
| Cash flows from investing activities: | |
| Purchases of available-for-sale securities | |
| Maturities of available-for-sale securities | 0 |
| Purchases of available-for-sale securities held by Symphony Allegro, Inc. | |
| Maturities of available-for-sale securities held by Symphony Allegro, Inc. | |
| (Increase)/decrease in restricted cash | |
| Purchases of property and equipment | -313K |
| Proceeds from disposal of property and equipment | |
| Cash paid for merger | |
| Net cash provided by (used in) investing activities | -313K |
| Cash flows from financing activities: | |
| Proceeds from issuance of common stock, common stock warrants and exercise of stock options and stock purchase rights, net of offering costs | |
| Repurchases of common stock | |
| Proceeds from issuance of convertible preferred stock | |
| Proceeds from repayment of stockholder note receivable | |
| Proceeds from purchase of noncontrolling interest in Symphony Allegro, Inc | |
| Proceeds from purchase of noncontrolling interest by preferred shareholders in Symphony Allegro, Inc, net of fees | |
| Payments of contingent payments to Symphony Allegro Holdings, LLC. | 0 |
| Proceeds from financing obligations | |
| Payments of financing obligations | -1.63M |
| Net cash provided by financing activities | 3.42M |
| Net increase (decrease) in cash and cash equivalents | -6.01M |
| Cash and cash equivalents at beginning of period | 17.72M |
| Cash and cash equivalents at end of period | 11.71M |