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v3.20.2

(Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Payables and Accruals [Abstract] |  |
Employee related expenses | $ 749 | $ 2,233
Accrued construction related expenses | 4 | 188
Accrued professional fees | 695 | 750
Accrued royalties | 1,581 | 2,419
Accrued freight and delivery charges | 539 | 882
Accrued real estate tax | 605 | 806
Accrued utilities | 178 | 10
Sales tax liability | 70 | 424
Other accrued liabilities | (98) | 437
Total accrued liabilities | 4,337 | 8,578
accrued equipment expense | $ 14 | $ 429

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