CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 29,282	$ 34,905
Investments	1,423	10,656
Trade accounts receivable, net	2,342	2,416
Inventory	5,106	5,194
Prepaid expenses	1,274	818
Other current assets	2,812	2,025
Total current assets	42,239	56,014
Property and equipment, net	2,896	3,478
Finance lease assets, net	2,091	2,422
Operating lease right of use assets, net	1,527	1,859
Other non-current assets	1,125	1,242
Total assets	49,878	65,015
Current liabilities:
Accounts payable	4,033	4,501
Accrued liabilities	3,229	2,682
Accrued interest	348	472
Deferred revenue	478	547
Current portion of convertible notes	726	56,413
Finance lease, current	1,180	1,113
Operating lease, current	936	829
Derivative liability	42,786	0
Total current liabilities	53,716	66,557
Finance lease, non-current	375	782
Operating lease, non-current	1,064	1,545
Other non-current liabilities	1,097	874
Convertible notes	32,289	0
Total liabilities	88,541	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 June 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 14,357,953 shares issued and outstanding on June 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	663,812	630,428
Treasury stock	(45,067)	(45,067)
Accumulated deficit	(656,769)	(607,239)
Accumulated other comprehensive loss	(653)	(400)
Total stockholders’ deficit	(38,663)	(22,264)
Total liabilities and stockholders’ deficit	49,878	65,015
Related Party
Current liabilities:
Accrued interest related-party	0	663
Long-term debt related-party	$ 0	$ 16,858