Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 14,736	$ 28,024
Trade and other receivables, net	19,896	12,120
Inventories, net	4,629	4,038
Prepaid expenses and other current assets	3,324	3,077
Total current assets	42,585	47,259
Property and equipment, net	4,496	5,055
Right-of-use assets, net	2,524	2,725
Intangible assets, net	38	51
Other non-current assets	6,886	6,903
Total assets	56,529	61,993
Current liabilities:
Accounts payable	8,496	8,314
Accrued expenses	4,868	8,736
Lease liabilities, current	926	899
Deferred revenue, current	1,599	765
Liability related to the sale of future revenue, current	1,732	1,225
Loans payable, current	6,563	2,025
Total current liabilities	24,184	21,964
Loans payable, net	47,680	51,551
Liability related to the sale of future revenue, net	60,346	59,059
Lease liabilities	1,710	1,946
Deferred revenue	13,890	7,122
Other non-current liabilities	1,862	2,485
Total liabilities	149,672	144,127
Contingencies (Note 19)
Stockholders’ deficit:
Common stock, $0.001 par value. Authorized 250,000,000 shares; 41,620,388 and 41,228,736 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	41	41
Additional paid-in capital	176,833	174,621
Accumulated deficit	(270,017)	(256,796)
Total stockholders’ deficit	(93,143)	(82,134)
Total liabilities and stockholders’ deficit	$ 56,529	$ 61,993