Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 18,867	$ 17,311
Accounts receivable, net	3,860	6,334
Inventory, net	4,593	3,444
Prepaid expenses and other current assets	1,920	1,169
Total current assets	29,240	28,258
Property and equipment, net	3,635	1,950
Intangible assets, net	1,580	0
Goodwill	6,941	0
Total assets	41,396	30,208
Current liabilities:
Accounts payable	5,665	2,699
Accrued expenses	4,466	3,225
Contract liabilities	412	358
Current portion of long-term debt	14,239	20,085
Total current liabilities	24,782	26,367
Long-term debt, net of current portion	1,775	0
Long-term contract liabilities	88	183
Other non-current liabilities	75	44
Total liabilities	26,720	26,594
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.0001 par value, 200,000,000 and 200,000,000 shares authorized at September 30, 2020 and December 31, 2019, respectively; 148,348,000 and 34,274,000 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	15	3
Additional paid-in capital	146,614	106,188
Accumulated deficit	(131,953)	(102,577)
Total stockholders’ equity	14,676	3,614
Total liabilities and stockholders’ equity	$ 41,396	$ 30,208