Sierra Oncology (SRRA) Annual Cash Flow Statement

Cash Flow Summary

Sierra Oncology (SRRA) annual cash flow statement covering fiscal 2016 through 2021, as reported to the SEC.

Sierra Oncology used $78.96M of cash in operations in fiscal 2021, a bigger loss than the $52.37M in fiscal 2020.
After spending $72K on purchase of property and equipment, free cash flow was -$79.04M.
Investing activities used $72K and financing activities provided $79.81M. Overall, cash went up $694K.

A cash flow statement shows the cash that actually came in and went out, split between running the business, investing and financing.

Figures in USD thousands

						Dec'21	Dec'20	Dec'19	Dec'18	Dec'17	Dec'16
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss
-94,659	-80,902	-88,275	-53,335	-42,015	-47,867	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net loss						-94,659	-80,902	-88,275	-53,335	-42,015	-47,867	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net loss
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net loss						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation
12,890	9,470	5,695	6,796	5,905	5,510	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Stock-based compensation						12,890	9,470	5,695	6,796	5,905	5,510	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Depreciation and amortization
305	238	83	111	258	197	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Depreciation and amortization						305	238	83	111	258	197	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Non-cash restructuring charges
-	-	-	-	-	811	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Non-cash restructuring charges						-	-	-	-	-	811	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Stock-based compensation
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Stock-based compensation						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Changes in fair value of warrant liabilities
-	16,200	20,900	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Changes in fair value of warrant liabilities						-	16,200	20,900	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Securities issuance obligation
-	1,485	10,485	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Securities issuance obligation						-	1,485	10,485	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Asset impairment
-	106	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Asset impairment						-	106	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Warrant issuance costs
-	-	1,279	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Warrant issuance costs						-	-	1,279	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Term loan repayment fee
-	-	438	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Term loan repayment fee						-	-	438	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Noncash interest expense on short-term promissory notes and long-term note payable
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Noncash interest expense on short-term promissory notes and long-term note payable						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Common stock issuance for milestone payment
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Common stock issuance for milestone payment						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other
39	-201	-161	68	-31	-15	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other						39	-201	-161	68	-31	-15	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Changes in operating assets and liabilities:
Prepaid expenses and other assets
622	33	-336	1,341	115	362	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Prepaid expenses and other assets						622	33	-336	1,341	115	362	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued liabilities
-	-	-	-	990	-1,713	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued liabilities						-	-	-	-	990	-1,713	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accounts payable
-109	1,194	-277	-48	-1,217	2,246	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accounts payable						-109	1,194	-277	-48	-1,217	2,246	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued, other and operating lease liabilities
3,270	-366	-2,034	2,770	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued, other and operating lease liabilities						3,270	-366	-2,034	2,770	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in operating activities
-78,964	-52,367	-51,183	-45,115	-36,163	-41,163	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in operating activities						-78,964	-52,367	-51,183	-45,115	-36,163	-41,163	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
CASH FLOWS FROM INVESTING ACTIVITIES:
Accrued interest
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued interest						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in operating activities
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in operating activities						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Purchase of property and equipment
72	12	39	118	92	214	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Purchase of property and equipment						72	12	39	118	92	214	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Change in restricted cash
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Change in restricted cash						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from sale of property and equipment
-	-	-	-	-	43	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from sale of property and equipment						-	-	-	-	-	43	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in investing activities
-72	-12	-39	-118	-92	-171	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in investing activities						-72	-12	-39	-118	-92	-171	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of short-term investments
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from sale of short-term investments						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Purchase of short-term investments
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Purchase of short-term investments						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in investing activities
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash used in investing activities						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of common stock, net of offering costs
-	-	-	-	27,422	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of common stock, net of offering costs						-	-	-	-	27,422	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of common stock upon initial public offering, net of issuance costs
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of common stock upon initial public offering, net of issuance costs						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from exercise of common stock warrants
810	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from exercise of common stock warrants						810	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from public offering, net of offering costs
-	-	97,731	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from public offering, net of offering costs						-	-	97,731	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Payment of term loan and repayment fee
-	-	5,438	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Payment of term loan and repayment fee						-	-	5,438	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of term loan, net of issuance costs
-	-	-	4,955	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of term loan, net of issuance costs						-	-	-	4,955	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from short-term convertible promissory notes
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from short-term convertible promissory notes						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from exercise of common stock options
847	-	445	180	166	211	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from exercise of common stock options						847	-	445	180	166	211	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Payment of deferred offering costs
-	-	-	-	-	15	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Payment of deferred offering costs						-	-	-	-	-	15	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash provided by financing activities
79,808	8,901	92,738	51,131	27,588	196	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash provided by financing activities						79,808	8,901	92,738	51,131	27,588	196	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from early exercise of stock options
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from early exercise of stock options						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Repayment of stock subscription receivable
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Repayment of stock subscription receivable						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash provided by financing activities
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Net cash provided by financing activities						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash
-78	5	-34	-88	-4	-60	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash						-78	5	-34	-88	-4	-60	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH
694	-43,473	41,482	5,810	-8,671	-41,198	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH						694	-43,473	41,482	5,810	-8,671	-41,198	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Effect of exchange rate changes on cash and cash equivalents
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Effect of exchange rate changes on cash and cash equivalents						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for income taxes, net
66	28	-69	15	260	107	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Cash paid for income taxes, net						66	28	-69	15	260	107	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Cash paid for interest
-	-	336	87	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Cash paid for interest						-	-	336	87	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Cash paid for interest
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Cash paid for interest						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION:
Right-of-use asset obtained in exchange for operating lease obligation
730	-	771	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Right-of-use asset obtained in exchange for operating lease obligation						730	-	771	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Property and equipment purchases included in accounts payable
62	-	-	-	4	85	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Property and equipment purchases included in accounts payable						62	-	-	-	4	85	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Change in redemption value of redeemable convertible preferred stock
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Change in redemption value of redeemable convertible preferred stock						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Change in redemption value of redeemable convertible preferred stock
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Change in redemption value of redeemable convertible preferred stock						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Conversion of preferred stock to common stock
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Conversion of preferred stock to common stock						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of redeemable convertible preferred stock on exercise of warrants
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of redeemable convertible preferred stock on exercise of warrants						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Unpaid deferred financing costs in accrued and other liabilities
54	10	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Unpaid deferred financing costs in accrued and other liabilities						54	10	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of common stock and common stock warrant in connection with an amendment to the asset purchase agreement
-	11,970	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of common stock and common stock warrant in connection with an amendment to the asset purchase agreement						-	11,970	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Reclassification of warrant liabilities to equity
-	62,175	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Reclassification of warrant liabilities to equity						-	62,175	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance costs of convertible voting preferred stock and warrants included in accrued and other liabilities
-	-	268	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance costs of convertible voting preferred stock and warrants included in accrued and other liabilities						-	-	268	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of common stock warrant
-	-	-	116	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of common stock warrant						-	-	-	116	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Conversion of short-term convertible promissory notes and accrued interest into Series C redeemable convertible preferred stock
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Conversion of short-term convertible promissory notes and accrued interest into Series C redeemable convertible preferred stock						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of preferred stock warrants with redeemable convertible preferred stock
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Issuance of preferred stock warrants with redeemable convertible preferred stock						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Settlement of premium conversion derivative in redeemable convertible preferred stock
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Settlement of premium conversion derivative in redeemable convertible preferred stock						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
At-The-Market Offering [Member]
Proceeds from issuance of common stock, net of offering costs
78,151	8,901	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of common stock, net of offering costs						78,151	8,901	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Follow-on Offering [Member]
Proceeds from issuance of common stock, net of offering costs
-	-	-	45,996	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Proceeds from issuance of common stock, net of offering costs						-	-	-	45,996	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx