CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 12,138	$ 34,905
Investments	1,081	10,656
Trade accounts receivable, net	2,622	2,416
Inventory	3,310	5,194
Prepaid expenses	380	818
Purchase obligation put option asset	3,419	0
Other current assets	1,516	2,025
Total current assets	24,466	56,014
Property and equipment, net	2,389	3,478
Finance lease assets, net	1,518	2,422
Operating lease right of use assets, net	1,177	1,859
Other non-current assets	1,816	1,242
Total assets	31,366	65,015
Current liabilities:
Accounts payable	4,796	4,501
Accrued liabilities	3,243	2,682
Accrued interest	164	472
Deferred revenue and income, current	1,545	547
Current portion of convertible notes	726	56,413
Finance lease, current	583	1,113
Operating lease, current	977	829
Total current liabilities	12,034	66,557
Finance lease, non-current	262	782
Operating lease, non-current	570	1,545
Deferred income, non-current	1,122	0
Other non-current liabilities	1,164	874
Accrued interest, related-party	0	663
Long-term debt, related-party	0	16,858
Convertible notes, non-current	36,102	0
Total liabilities	51,254	87,279
Commitments and contingencies (see Note 15)
Stockholders' deficit:
Preferred shares, $0.001 par value; 5,000,000 preferred shares authorized with no shares issued and outstanding as of December 31, 2023 and 3,954,546 issued and outstanding on December 31, 2022	0	4
Common stock, $0.001 par value; 450,000,000 common shares authorized with 14,569,500 shares issued and outstanding on December 31, 2023 and 200,000,000 common shares authorized with 9,747,755 shares issued and outstanding on December 31, 2022	14	10
Contributed capital	694,634	630,428
Treasury stock	(45,067)	(45,067)
Accumulated deficit	(668,857)	(607,239)
Accumulated other comprehensive loss	(612)	(400)
Total stockholders' deficit	(19,888)	(22,264)
Total liabilities and stockholders' deficit	$ 31,366	$ 65,015