CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 31,013	$ 29,854
Accounts receivable, net		131
Inventory	642	679
Prepaid expenses	4,737	5,290
Other current assets	1,385	1,440
Total current assets	37,777	37,394
Property and equipment, net	399	475
Operating lease right-of-use assets	303	382
Other assets	87	87
Total assets	38,566	38,338
Current liabilities
Accounts payable	15,450	15,990
Accrued expenses	3,986	5,762
Current portion of long-term debt	5,608
Total current liabilities	25,546	22,233
Long-term portion of operating lease liabilities		65
Derivative liabilities	3,274	6,633
Long-term debt	99,918	102,508
Total liabilities	128,738	131,439
Commitments and contingencies (Note 16)
Stockholders' (deficit) equity
Preferred stock, $0.001 par value, 10,000 shares authorized; no shares issued and outstanding as of March 31, 2025 and December 31, 2024
Common stock, $0.001 par value, 200,000 shares authorized as of March 31, 2025 and December 31, 2024; 5,468 and 3,102 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	59	49
Additional paid-in-capital	567,220	557,047
Accumulated deficit	(657,451)	(650,197)
Total stockholders' (deficit) equity	(90,172)	(93,101)
Total liabilities and stockholders' (deficit) equity	38,566	38,338
Related Party
Current liabilities
Other current liabilities	119	107
Nonrelated Party
Current liabilities
Other current liabilities	$ 383	$ 374

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).