Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 22,436	$ 27,273
Trade and other receivables, net	10,101	4,704
Inventories, net	5,950	5,780
Prepaid expenses and other current assets	1,301	2,131
Total current assets	39,788	39,888
Property and equipment, net	4,602	4,085
Right-of-use assets, net	5,778	5,211
Intangible assets, net	1,357	1,435
Other non-current assets	5,469	6,451
Total assets	56,994	57,070
Current liabilities:
Accounts payable	10,689	9,946
Accrued expenses	4,263	7,967
Lease liabilities, current	347	255
Deferred revenue, current	3,992	1,513
Liability related to the sale of future revenue, current	1,000	1,147
Loans payable, current	18,362	18,700
Total current liabilities	38,653	39,528
Loans payable, net	20,801	33,448
Liability related to the sale of future revenue, net	63,455	64,112
Lease liabilities	5,610	5,085
Deferred revenue	33,120	31,417
Other non-current liabilities	2,006	2,034
Total liabilities	163,645	175,624
Contingencies (Note 19)
Stockholders’ deficit:
Common stock ,$0.001 par value. Authorized 250,000,000 shares; 61,615,959 and 54,827,734 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	62	55
Additional paid-in capital	202,218	192,598
Accumulated deficit	(308,931)	(311,207)
Total stockholders’ deficit	(106,651)	(118,554)
Total liabilities and stockholders’ deficit	$ 56,994	$ 57,070
Common stock, shares outstanding (in shares)	61,615,959	54,827,734
Common stock, shares issued (in shares)	61,615,959	54,827,734