CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 10,226	$ 14,009
Short-term investments	1,401	32,773
Accounts receivable, net	3,682	4,790
Inventory, net	10,210	11,074
Prepaid expenses and other current assets	1,286	1,969
Current assets of discontinued operations	1,000	656
Total current assets	27,805	65,271
Property and equipment, net	0	461
Operating lease right-of-use assets	3,338	2,703
Other assets	122	128
Non-current assets of discontinued operations	0	9,597
Total assets	31,265	78,160
Current liabilities:
Accounts payable	1,962	1,142
Accrued expenses	2,002	3,072
Accrued compensation	2,580	2,413
Operating lease liabilities	1,085	1,250
Current portion of term loan	10,800	24,900
Other current liabilities	1,510	1,844
Current liabilities of discontinued operations	0	700
Total current liabilities	19,939	35,321
Operating lease liabilities, net of current	2,168	1,289
Term loan, net of current	3,637	12,467
Other liabilities	330	530
Non-current liabilities of discontinued operations		134
Total liabilities	26,074	49,741
Commitments and contingencies (Note 9)
Stockholders, equity:
Preferred stock, $0.001 par value; authorized - 10,000,000 shares; issued and outstanding - none
Common stock, $0.001 par value; authorized - 500,000,000 shares; issued and outstanding - 427,330 shares as of December 31, 2024 and 317,737 shares as of December 31, 2023	0	0
Additional paid-in-capital	463,236	458,421
Accumulated other comprehensive gain	1	11
Accumulated deficit	(458,046)	(430,013)
Total stockholders' equity	5,191	28,419
Total liabilities and stockholders' equity	$ 31,265	$ 78,160