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Other long-term liabilities | 12 Months Ended
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Dec. 31, 2021
Other long-term liabilities [Abstract] |
Other long-term liabilities | 15. Other long-term liabilities As of December 31, 2021, and 2020, other-long term liabilities consist of the following:
|  | December 31, 2021 |  |  | December 31, 2020 |
Accrued provision for warranties (1) |  |  | 840,024 |  |  |  | - |
Greek state loan (2) |  |  | 137,805 |  |  |  | 42,793 |
Jubilee provision |  |  | 17,805 |  |  |  | - |
|  | $ | 995,634 |  |  | $ | 42,793 |
(1) As of December 31, 2021, the amount of $840,024 relates to the non-current portion of a total accrued warranty reserve of $1,048,281, recognized on fuel cells sold, as discussed in Note 2. For the year ended December 31, 2021, accrued warranty activity consisted of the following:
|  | Year Ended December 31, 2021 |
Balance at beginning of year |  | $ | - |
Assumed at business combination |  |  | 1,081,360 |
Accruals for warranties issued during the fiscal year |  |  | 42,060 |
Settlements made during the fiscal year |  |  | (28,439 | )
Exchange differences |  |  | (46,700 | )
Balance at end of year |  | $ | 1,048,281 |
Of which: |  |  |  |
Current portion (Note 12) |  | $ | 208,257 |
Non-current portion |  |  | 840,024 |
Total accrued warranty reserve |  | $ | 1,048,281 |
(2) Under a decision published by the Greek government a state aid was provided to various entities affected by COVID-19. In this context, the Company applied for and received an aggregate amount of $152,757 during 2021 and 2020, which is repayable from June 2022 through September 2025 and bears an interest rate ranging from 0.74% to 0.94%. As of December 31, 2021, the current portion of this loan amounts to $14,952 and is included in other short- term payables (Note 12) within “Other current liabilities” on the consolidated balance sheets.

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