Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 17,695	$ 28,024
Trade and other receivables, net	19,165	12,120
Inventories, net	5,008	4,038
Prepaid expenses and other current assets	1,637	3,077
Total current assets	43,505	47,259
Property and equipment, net	4,569	5,055
Right-of-use assets, net	2,314	2,725
Intangible assets, net	25	51
Other non-current assets	5,897	6,903
Total assets	56,310	61,993
Current liabilities:
Accounts payable	8,887	8,314
Accrued expenses	7,042	8,736
Lease liabilities, current	913	899
Deferred revenue, current	1,599	765
Liability related to the sale of future revenue, current	1,445	1,225
Loans payable, current	9,750	2,025
Total current liabilities	29,636	21,964
Loans payable, net	43,821	51,551
Liability related to the sale of future revenue, net	61,839	59,059
Lease liabilities	1,502	1,946
Deferred revenue	13,490	7,122
Other non-current liabilities	2,379	2,485
Total liabilities	152,667	144,127
Contingencies (Note 19)
Stockholders’ deficit:
Common stock, $0.001 par value. Authorized 250,000,000 shares; 53,343,989 and 41,228,736 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	53	41
Additional paid-in capital	189,908	174,621
Accumulated deficit	(286,318)	(256,796)
Total stockholders’ deficit	(96,357)	(82,134)
Total liabilities and stockholders’ deficit	$ 56,310	$ 61,993