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Research and Development - Research and Development (Detail) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Research And Development [Line Items] |  |  |  |  |  |  |  |  |  |  |
Employees' compensation |  |  |  |  | $ 1,028,369 |  | $ 0 |  | $ 150,099 | $ (736) | $ 31,206
Total | $ 9,835,736 |  | $ 1,938,812 |  | 18,950,423 |  | 3,830,463 |  | 13,279,780 | 8,358,043 | 5,947,294
Research and Development Expense [Member] |  |  |  |  |  |  |  |  |  |  |
Research And Development [Line Items] |  |  |  |  |  |  |  |  |  |  |
Outsourced service | 8,226,551 | [1] | 374,634 | [1] | 16,372,414 | [1] | 833,051 | [1] | 5,100,980 | 1,241,479 | 2,372,248
Employees' compensation | 1,553,645 |  | 1,415,078 |  | 2,310,013 |  | 2,777,355 |  | 7,278,999 | 4,833,957 | 3,083,337
Other expenses | 51,934 |  | 127,550 |  | 243,461 |  | 176,616 |  | 265,243 | 193,250 | 292,688
Travel & entertainment | $ 3,606 |  | $ 21,550 |  | $ 24,535 |  | $ 43,441 |  | 110,496 | 39,967 | 184,423
Test devices and mock-ups |  |  |  |  |  |  |  |  | $ 524,062 | $ 2,049,390 | $ 14,598
[1] | Out of $16,372,414, for the six months ended June 30, 2022, and $8,226,551, for the three months ended June 30, 2022, $15,665,298, was charged under the MSA contract for the six months ended June 30, 2022, and $8,329,134 was charged for the three months ended June 30,2022 (refer to Note 4). The amount charged under the MSA for the three-months period ended June 30, 2022 is higher than the Outsourced service expense for the same period due to certain reclassifications between R&D expenses and Selling expenses. See section Segments in Note 2 for more details.

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 730 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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