Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Funds (used) provided - Operating activities
Net loss	$ (9,312)	$ (7,044)
Depreciation of tangible assets	791	734
Stock-based compensation	107	193
Accretion Expense	477	539
DSU expense	224	(142)
Interest paid by issuance of common shares	1	234
Gain on debt extinguishment	(151)	(401)
Lease non-cash expense	7	(5)
Deferred income tax	(6)	0
Total Adjustment	(7,862)	(5,892)
Changes in non-cash items related to operations:
Accounts receivable	(420)	121
Prepaid expenses	57	8
Investment tax credits receivable	199	(260)
Contract asset	354	(354)
Inventory	182	138
Security deposits	206	113
Accounts payable and accrued liabilities	88	192
Deferred revenues	23	166
Net change in non-cash items related to operations	689	124
Net cash used in operating activities	(7,173)	(5,768)
Financing activities
Repayment of long-term debt	(737)	(474)
Issuance of loan	2,500	0
Finance lease payments	(29)	0
Proceeds from issuance of shares	12,346	5,564
Transaction costs of share issuance	(422)	(320)
Net proceeds from convertible notes	1,897	1,601
Transaction costs of convertible notes	(34)	(62)
Transaction costs of debt extinguishment	(29)	(69)
Net cash provided by financing activities	15,492	6,240
Investing activities
Additions to leasehold improvements and equipment	(108)	(120)
Acquisitions of short-term investments	(6,000)	(4,532)
Redemptions of short-term investments	1,034	4,126
Net cash used in investing activities	(5,074)	(526)
Increase (decrease) in cash	3,245	(54)
Effect of foreign exchange on cash	(505)	(73)
Cash
Beginning of year	1,205	1,332
End of year	$ 3,945	$ 1,205