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Accrued and Other Expenses - Schedule of Accrued and Other Expenses (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Payables And Accruals [Abstract] |  |
Employee related expenses | $ 667 | $ 955
Accrued construction | 2,197 | 19
Accrued legal expenses | 90 | 22
Accrued professional fees | 529 | 350
Accrued royalties | 206 | 84
Accrued freight and delivery charges | 2,197 | 383
Accrued real estate tax |  | 516
Deferred rent | 861 |
Other accrued liabilities | 829 | 101
Total accrued liabilities | $ 7,576 | $ 2,430

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6911-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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