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BASIS OF PRESENTATION AND CERTAIN SIGNIFICANT ACCOUNTING POLICIES, Revenue Recognition (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) Level | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Revenue Recognition [Abstract] |  |  |  |  |
Sales return allowance | $ 200 |  | $ 200 |  | $ 200
Estimate of merchandise expected to be returned | 100 |  | $ 100 |  | 100
Gift card redemption period |  |  | 1 year |  |
Revenue recognized from change in deferred obligation balance |  |  | $ 200 | $ 100 |
Deferred revenue, recognized | 200 |  | 400 | 200 |
Disaggregated Revenue [Abstract] |  |  |  |  |
Sales | 18,566 | $ 9,146 | $ 39,960 | 26,291 |
Discounts [Abstract] |  |  |  |  |
Number of price levels | Level |  |  | 3 |  |
Accrued Expenses and Other Liabilities [Member] |  |  |  |  |
Revenue Recognition [Abstract] |  |  |  |  |
Contract with customer liability | 200 |  | $ 200 |  | $ 200
United States [Member] |  |  |  |  |
Disaggregated Revenue [Abstract] |  |  |  |  |
Sales | 16,613 | 8,057 | 35,365 | 23,389 |
Canada [Member] |  |  |  |  |
Disaggregated Revenue [Abstract] |  |  |  |  |
Sales | 1,531 | 790 | 3,688 | 2,283 |
Spain [Member] |  |  |  |  |
Disaggregated Revenue [Abstract] |  |  |  |  |
Sales | $ 422 | $ 299 | $ 907 | $ 619 |
Minimum [Member] | Canada [Member] | Geographic Concentration Risk [Member] | Sales [Member] |  |  |  |  |
Disaggregated Revenue [Abstract] |  |  |  |  |
Revenue percentage | 2.30% | 3.30% | 2.30% | 3.30% |
Maximum [Member] |  |  |  |  |
Revenue Recognition [Abstract] |  |  |  |  |
Deferred revenue, recognized |  | $ 100 |  |  |
Maximum [Member] | United States [Member] | Geographic Concentration Risk [Member] | Sales [Member] |  |  |  |  |
Disaggregated Revenue [Abstract] |  |  |  |  |
Revenue percentage | 2.30% | 3.30% | 2.30% | 3.30% |
Maximum [Member] | Spain [Member] | Geographic Concentration Risk [Member] | Sales [Member] |  |  |  |  |
Disaggregated Revenue [Abstract] |  |  |  |  |
Revenue percentage | 2.30% | 3.30% | 2.30% | 3.30% |

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