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(Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Payables and Accruals [Abstract] |  |
Employee related expenses | $ 4,085 | $ 1,894
Accrued construction related expenses | 226 | 948
Accrued professional fees | 399 | 465
Accrued royalties | 1,903 | 1,780
Accrued freight and delivery charges | 1,978 | 2,556
Accrued real estate tax | 605 | 0
Accrued utilities | 207 | 0
Accrued income taxes | 281 | 0
Deferred rent | 0 | 712
Other accrued liabilities | 550 | 37
Total accrued liabilities | $ 10,234 | $ 8,392

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