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Accrued and Other Expenses
6 Months Ended
Jun. 30, 2021
Payables and Accruals [Abstract]  
Accrued and Other Expenses Accrued and Other ExpensesAccrued and other expenses were comprised of the following:
 June 30, 2021December 31, 2020
Employee related expenses$1,615 $1,048 
Accrued equipment
— 55 
Accrued professional fees1,016 1,129 
Accrued royalties2,288 2,624 
Accrued freight and delivery charges730 2,901 
Accrued real estate tax1,388 1,637 
Accrued utilities704 748 
Sales tax liability855 1,386 
Other accrued liabilities1,441 1,614 
Total accrued liabilities$10,037 $13,142