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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) customer Institution | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Research and development | $ 0 | $ 3,983 | $ 1,609 | $ 1,450 | $ 3,462 | $ 2,930 |  | $ 3,983 | $ 9,451 | $ 9,772
Number of reputable and nationally recognized financial institution | Institution |  |  |  |  |  |  |  | 1 |  |
Financial instruments with off balance sheet risk of loss, assets |  |  |  |  |  |  |  | $ 0 |  |
Financial instruments with off balance sheet risk of loss, liabilities |  |  |  |  |  |  |  | 0 |  |
Restricted cash |  |  | 2,547 |  |  |  |  | 2,547 | 2,547 | 2,547
Accrued interest or penalties related to uncertain tax positions |  |  |  |  |  |  |  | 0 |  |
Accrued interest or penalties recognized related to uncertain tax positions |  |  |  |  |  |  |  | 0 |  |
Restructuring expenses |  |  | 4,578 |  |  |  |  |  | 4,578 |
Payments on restructuring expense |  |  | 1,335 |  |  |  | $ 3,243 |  |  |
Inventory |  |  | $ 17,394 |  |  |  |  | 46,501 | 17,394 |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  |
Advertising and product promotion costs |  |  |  |  |  |  |  | $ 11,743 | $ 4,186 | $ 5,368
Accounts Receivable | Customer Concentration Risk |  |  |  |  |  |  |  |  |  |
Number of customers | customer |  |  |  |  |  |  |  | 3 |  |
Accounts Receivable | Customer Concentration Risk | Customer One |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 37.00% | 46.00% |
Accounts Receivable | Customer Concentration Risk | Customer Two |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 33.00% | 33.00% |
Accounts Receivable | Customer Concentration Risk | Customer Three |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 28.00% | 20.00% |
Revenue | Customer Concentration Risk | Customer One |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 33.00% | 35.00% | 34.00%
Revenue | Customer Concentration Risk | Customer Two |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 32.00% | 31.00% | 31.00%
Revenue | Customer Concentration Risk | Customer Three |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  | 31.00% | 29.00% | 31.00%

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