Prepaid Expenses and Other Current Assets - Prepaid expenses and other current assets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Prepaid Expenses and Other Current Assets
Prepaid Insurance	$ 1,922	$ 36
Prepaid rent	1,882	394
Vendor prepayments and deposits	1,095	2,009
Non-trade receivables	357	282
Interest receivables and other current assets	178
Total prepaid expenses and other current assets	$ 5,434	$ 2,721

Amount of interest receivable and current assets classified as other.

No definition available.

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- Definition

Carrying amounts due as of the balance sheet date of the sum of amounts receivable other than from customers.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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