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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |
Net income (loss) | $ (46,689) | $ (37,713)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Share-based compensation expense | 2,531 | 2,392
(Gain) loss on change in fair value of SAFE and warrant liabilities | 563 | (105)
Bad debt expense and recoveries | (27) | 877
Depreciation of property, plant and equipment | 3,806 | 2,979
Non-cash lease expense | 1,679 | 1,565
Non-cash recognition of licensing revenue | (2,022) | (1,018)
Gain on extinguishment of debt | (3,065) | 0
Gain from equity method investees, net | (1,945) | (2,167)
Net foreign exchange loss | 55 | 0
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 2,670 | (4,470)
Contract assets | (5,514) | (5,605)
Other assets | (941) | (364)
Accounts payable and accrued salaries and wages | 1,256 | 690
Contract liabilities | 5,762 | 3,167
Operating lease liabilities | (1,618) | (1,204)
Other liabilities | 908 | 1,705
Net cash used in operating activities | (42,591) | (39,271)
Cash Flows From Investing Activities: |  |
Purchase of property, plant and equipment | (5,752) | (7,110)
Proceeds from disposal of property, plant and equipment | 5 | 4
Proceeds from disposal of investment property | 0 | 513
Net cash used in investing activities | (5,747) | (6,593)
Cash Flows From Financing Activities: |  |
Proceeds from issue of equity instruments of the Company | 83,831 | 46,572
Proceeds from exercise of a warrant | 3,150 | 0
Proceeds from issue of SAFE and warrant instruments | 30,000 | 0
Payments of Stock Issuance Costs | 0 | (30)
Proceeds from Issuance of Debt | 0 | 3,065
Repurchase of equity instruments of the Company | (396) | 0
Repayment of borrowings | (570) | (4,880)
Net cash provided by financing activities | 116,015 | 44,727
Net increase (decrease) in cash, cash equivalents and restricted cash | 67,677 | (1,137)
Cash, cash equivalents and restricted cash at beginning of period | 60,909 | 62,117
Effects of currency translation on cash, cash equivalents and restricted cash | 146 | (71)
Cash, cash equivalents and restricted cash at end of period | 128,732 | 60,909
Supplemental disclosure of cash flow information: |  |
Cash paid for interest | 13 | 356
Cash paid for income taxes | 0 | 0
Additional Cash Flow Elements, Investing Activities [Abstract] |  |
Acquisition of equity method investment in LanzaJet through contribution of license | 0 | 15,000
Acquisition of property, plant and equipment under accounts payable | 708 | 20
Supplemental disclosure of non-cash investing and financing activities: |  |
PPP loan forgiveness | 3,065 | 0
Receipt of common shares as payment for option exercises | $ 938 | $ 0

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