CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 20,162	$ 34,905
Investments	989	10,656
Trade accounts receivable, net	2,666	2,416
Inventory	3,553	5,194
Prepaid expenses	1,435	818
Other current assets	3,638	2,025
Total current assets	32,443	56,014
Property and equipment, net	2,609	3,478
Finance lease assets, net	1,807	2,422
Operating lease right of use assets, net	1,352	1,859
Other non-current assets	1,113	1,242
Total assets	39,324	65,015
Current liabilities:
Accounts payable	4,812	4,501
Accrued liabilities	3,437	2,682
Accrued interest	1,186	472
Deferred revenue	596	547
Current portion of convertible notes	726	56,413
Finance lease, current	468	1,113
Operating lease, current	963	829
Derivative liability	25,598	0
Total current liabilities	37,786	66,557
Finance lease, non-current	270	782
Operating lease, non-current	816	1,545
Deferred income, non-current	1,090	0
Other non-current liabilities	1,068	874
Accrued interest related-party	0	663
Long-term debt related-party	0	16,858
Convertible notes, non-current	33,327	0
Total liabilities	74,357	87,279
Commitments and contingencies (see Note 14)
Stockholders’ deficit:
Preferred shares, $0.001 par value; 5,000,000 preferred shares authorized with no shares issued and outstanding on September 30, 2023 and 5,000,000 preferred shares authorized with 3,954,546 shares issued and outstanding on December 31, 2022	0	4
Common stock, $0.001 par value; 450,000,000 common shares authorized with 14,504,695 shares issued and outstanding on September 30, 2023 and 200,000,000 common shares authorized with 9,747,755 shares issued and outstanding on December 31, 2022	14	10
Contributed capital	666,239	630,428
Treasury stock	(45,067)	(45,067)
Accumulated deficit	(655,859)	(607,239)
Accumulated other comprehensive loss	(360)	(400)
Total stockholders’ deficit	(35,033)	(22,264)
Total liabilities and stockholders’ deficit	$ 39,324	$ 65,015