CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 13,096	$ 14,009
Short-term investments	4,188	32,773
Accounts receivable, net	4,445	4,790
Inventory	11,487	11,074
Prepaid expenses and other current assets	508	1,969
Current assets of discontinued operations	1,000	656
Total current assets	34,724	65,271
Property and equipment, net	691	461
Operating lease right-of-use assets	2,592	2,703
Other assets	124	128
Non-current assets of discontinued operations		9,597
Total assets	38,131	78,160
Current liabilities:
Accounts payable	686	1,142
Accrued compensation	2,008	2,413
Other accrued expenses	3,202	3,072
Operating lease liabilities	884	1,250
Current portion of term loan	10,800	24,900
Other current liabilities	1,535	1,844
Current liabilities of discontinued operations		700
Total current liabilities	19,115	35,321
Operating lease liabilities, net of current	1,570	1,423
Term loan, net of current	6,084	12,467
Other liabilities	396	530
Total liabilities	27,165	49,741
Commitments and contingencies (Note 8)
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- 418,043 shares as of September 30, 2024 and 317,737 shares as of December 31, 2023	84	64
Additional paid-in-capital	462,555	458,357
Accumulated other comprehensive income	3	11
Accumulated deficit	(451,676)	(430,013)
Total stockholders' equity	10,966	28,419
Total liabilities and stockholders' equity	$ 38,131	$ 78,160