CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash	$ 6,469	$ 5,469
Accounts receivable, net	1,967	1,879
Other receivable	217	588
Inventory	9,189	7,024
Prepaid expenses and other current assets	10,121	7,361
Total current assets	27,963	22,321
Property and equipment, net	496	557
Operating lease - right-of-use asset	1,176	1,140
Intangible assets, net	20,116	22,439
Other assets	1,012	995
Total assets	50,763	47,452
Current liabilities:
Accounts payable	4,974	5,808
Accrued liabilities	3,798	8,165
Operating lease liability, current	348	483
Notes payable, current	4,867	15,883
Total current liabilities	13,987	30,339
Operating lease liability, net of current portion	886	725
Notes payable, net of discount, net of current portion (includes notes designated at Fair Value Option amounting to $31.0 million as of December 31, 2023 and $7.8 million December 31, 2022, respectively)	30,993	17,744
Total liabilities	45,866	48,808
Commitments and contingencies (See Note 5)
Stockholders' equity (deficit)
Additional paid-in capital	313,854	266,971
Noncontrolling interest	(64)	(699)
Accumulated deficit	(308,248)	(266,948)
Accumulated other comprehensive loss	(652)	(680)
Total stockholders' equity (deficit)	4,897	(1,356)
Total liabilities and stockholders' equity (deficit)	50,763	47,452
Series G convertible preferred stock
Stockholders' equity (deficit)
Preferred stock value
Series H convertible preferred stock
Stockholders' equity (deficit)
Preferred stock value
Series I convertible preferred stock
Stockholders' equity (deficit)
Preferred stock value
Common stock - voting
Stockholders' equity (deficit)
Common stock value	7
Common stock - non-voting
Stockholders' equity (deficit)
Common stock value