Consolidated Balance Sheet (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current
Cash	$ 2,520	$ 1,210
Short-term investments	1,320	1,317
Accounts receivable	590	709
Prepaid expenses	212	137
Investment tax credits receivable	196	159
Security deposits	194	194
Inventory	70	62
Total current assets	5,102	3,788
Leasehold improvements and equipment, net	4,318	4,425
Security deposits	245	245
Operating lease right-of-use-asset	676	732
Total assets	10,341	9,190
Current
Accounts payable and accrued liabilities	2,514	2,102
Current portion of operating lease liability	238	236
Current portion of finance lease liability	37	36
Current portion of long-term debt	8,500	0
Total current liabilities	11,289	2,374
Long-term debt	0	5,500
Convertible notes	4,957	4,272
Operating lease liability	375	425
Finance lease liability	33	42
Total liabilities	16,654	12,613
Contingencies
Shareholders' deficit
Capital stock, common shares, $0.00001 par value; 450,000,000 shares authorized; 174,646,196 shares issued and outstanding (2022: 174,646,196 common shares)	1	1
Additional paid-in capital	67,370	67,340
Accumulated deficit	(71,454)	(68,530)
Accumulated other comprehensive loss	(2,230)	(2,234)
Total shareholders' deficit	(6,313)	(3,423)
Total liabilities and shareholders' equity	$ 10,341	$ 9,190