Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 26,882	$ 27,273
Trade and other receivables, net	7,551	4,704
Inventories, net	6,981	5,780
Prepaid expenses and other current assets	2,292	2,131
Total current assets	43,706	39,888
Property and equipment, net	3,814	4,085
Right-of-use assets, net	5,884	5,211
Intangible assets, net	1,396	1,435
Other non-current assets	6,485	6,451
Total assets	61,285	57,070
Current liabilities:
Accounts payable	12,440	9,946
Accrued expenses	4,508	7,967
Lease liabilities, current	328	255
Deferred revenue, current	4,765	1,513
Liability related to the sale of future revenue, current	1,147	1,147
Loans payable, current	17,195	18,700
Total current liabilities	40,383	39,528
Loans payable, net	25,196	33,448
Liability related to the sale of future revenue, net	64,137	64,112
Lease liabilities	5,706	5,085
Deferred revenue	33,039	31,417
Other non-current liabilities	2,059	2,034
Total liabilities	170,520	175,624
Contingencies (Note 19)
Stockholders’ deficit:
Common stock, $0.001 par value. Authorized 250,000,000 shares; 55,922,361 and 54,827,734 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	56	55
Additional paid-in capital	193,848	192,598
Accumulated deficit	(303,139)	(311,207)
Total stockholders’ deficit	(109,235)	(118,554)
Total liabilities and stockholders’ deficit	$ 61,285	$ 57,070