CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 15,098	$ 12,138
Investments	1,199	1,081
Trade accounts receivable, net	2,037	2,622
Inventory	2,852	3,310
Prepaid expenses	208	380
Purchase obligation - put option asset	0	3,419
Other current assets	844	1,516
Total current assets	22,238	24,466
Property and equipment, net	2,575	2,389
Finance lease assets, net	336	1,518
Operating lease right-of-use assets, net	2,907	1,177
Other non-current assets	500	1,816
Total assets	28,556	31,366
Current liabilities:
Accounts payable	4,844	4,796
Accrued liabilities	2,873	3,243
Accrued interest	148	164
Deferred revenue and income, current	1,638	1,545
Notes payable, current	16,512	0
Warrant liability	4,559	0
Finance lease, current	92	583
Operating lease, current	535	977
Total current liabilities	31,201	12,034
Finance lease, non-current	30	262
Operating lease, non-current	2,568	570
Deferred revenue and income, non-current	2,277	1,122
Other non-current liabilities	1,681	1,164
Convertible notes, non-current	46,839	36,102
Total liabilities	84,596	51,254
Commitments and contingencies (see Note 16)
Stockholders' deficit:
Preferred shares, $0.001 par value; 5,000,000 preferred shares authorized with no shares issued and outstanding at December 31, 2024 and no shares issued and outstanding at December 31, 2023	0	0
Common stock, $0.001 par value; 450,000,000 common shares authorized with 25,186,582 shares issued and outstanding at December 31, 2024 and 450,000,000 common shares authorized with 14,569,500 shares issued and outstanding at December 31, 2023	25	14
Contributed capital	707,907	694,634
Treasury stock	(45,067)	(45,067)
Accumulated deficit	(718,899)	(668,857)
Accumulated other comprehensive loss	(6)	(612)
Total stockholders' deficit	(56,040)	(19,888)
Total liabilities and stockholders' deficit	28,556	31,366
Convertible Notes Payable, Current	$ 0	$ 726