Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 23,872	$ 27,273
Trade and other receivables, net	8,471	4,704
Inventories, net	6,769	5,780
Prepaid expenses and other current assets	1,854	2,131
Total current assets	40,966	39,888
Property and equipment, net	4,179	4,085
Right-of-use assets, net	5,557	5,211
Intangible assets, net	1,278	1,435
Other non-current assets	5,438	6,451
Total assets	57,418	57,070
Current liabilities:
Accounts payable	8,926	9,946
Accrued expenses	6,497	7,967
Lease liabilities, current	390	255
Deferred revenue	1,551	1,513
Liability related to the sale of future revenue, current	922	1,147
Notes payable, current	22	18,700
Total current liabilities	18,308	39,528
Notes payable, net	27,508	33,448
Royalty obligations, net	14,761	0
Liability related to the sale of future revenue, net	63,568	64,112
Lease liabilities	5,399	5,085
Deferred revenue, net of current portion	32,345	31,417
Other non-current liabilities	2,016	2,034
Total liabilities	163,905	175,624
Contingencies (Note 22)
Stockholders’ deficit:
Common stock, 0.001 par value. Authorized 250,000,000 shares; 68,533,085 and 54,827,734 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	69	55
Additional paid-in capital	212,521	192,598
Accumulated deficit	(319,077)	(311,207)
Total stockholders’ deficit	(106,487)	(118,554)
Total liabilities and stockholders’ deficit	$ 57,418	$ 57,070