CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash	$ 5,690	$ 8,002
Accounts receivable, net	1,223	1,527
Other receivable	166	120
Inventory	10,555	10,345
Prepaid expenses and other current assets	12,805	12,204
Total current assets	30,439	32,198
Property and equipment, net	452	464
Operating lease - right-of-use asset	1,211	936
Intangible assets, net	18,011	18,479
Other assets	1,347	1,348
Total assets	51,460	53,425
Current liabilities:
Accounts payable	7,028	5,286
Accrued liabilities	2,101	1,911
Deferred revenue	170	170
Operating lease liability, current	273	299
Notes payable, net of discount (includes note designated at Fair Value Option amounting to $18.6 as of March 31, 2025, and $11.9 million as of December 31, 2024, respectively)	18,636	12,038
Total current liabilities	28,208	19,704
Operating lease liability, net of current portion	998	686
Deferred revenue - long term	510	553
Notes payable, net of discount, net of current portion (includes notes designated at Fair Value Option amounting to $18.4 million as of March 31, 2025, and $21.7 million as of December 31, 2024, respectively)	18,429	23,503
Total liabilities	48,145	44,446
Commitments and contingencies (See Note 6)
Redeemable preferred stock: $0.0001 par value; 179 shares designated from 10,000,000 preferred stock authorized at March 31, 2025, and December 31, 2024; 99 shares issued and outstanding at March 31, 2025 and December 31, 2024	2,485	2,485
Stockholders' equity
Additional paid-in capital	359,428	354,234
Noncontrolling interest	(952)	(791)
Accumulated deficit	(356,946)	(346,482)
Accumulated other comprehensive loss	(700)	(467)
Total stockholders' equity	830	6,494
Total liabilities, redeemable preferred stock and stockholders' equity	51,460	53,425
Series G convertible preferred stock
Stockholders' equity
Preferred stock value
Series I convertible preferred stock
Stockholders' equity
Preferred stock value
Series K Junior Participating Preferred Stock
Stockholders' equity
Preferred stock value
Common stock - voting
Stockholders' equity
Common stock value	0	0
Common stock - non-voting
Stockholders' equity
Common stock value	$ 0	$ 0