Prepaid and Other Current Assets

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid and Other Current Assets

4. PREPAID AND OTHER CURRENT ASSETS

Prepaid and other current assets as of September 30, 2020 and December 31, 2019 consisted of the following:

	September 30, 2020		December 31, 2019
Deposits	$	733	$	605
Prepaid expenses		1,665		1,235
Prepaid insurance		2,577		170
Supplies		2,428		2,368
Offering costs		—		1,240
Income tax receivable		1,182		1,205
Prepaid and other current assets	$	8,585	$	6,823

5. PREPAID AND OTHER CURRENT ASSETS

Prepaid and other current assets as of December 31, 2019 and 2018 consisted of the following:

	2019		2018
Deposits	$	605	$	598
Prepaid expenses		1,235		1,016
Prepaid insurance		170		85
Supplies		2,368		745
Offering costs		1,240
Other				154
Prepaid and other current assets	$	5,618	$	2,598