Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Funds (used) provided - Operating activities
Net loss	$ (2,584)	$ (2,191)	$ (5,270)	$ (4,452)
Depreciation of tangible assets	196	198	391	390
Stock-based compensation	31	25	63	56
Accretion expense	92	126	183	264
DSU expense	(153)	262	(85)	377
Gain on debt extinguishment	0	(151)	0	(151)
Lease non-cash expense	0	1	1	2
Total Adjustment	(2,418)	(1,730)	(4,717)	(3,514)
Changes in non-cash items related to operations:
Accounts receivable	166	(142)	92	(258)
Prepaid expenses	12	91	(15)	87
Investment tax credits receivable	0	(74)	211	(146)
Contract asset	0	0	0	354
Inventory	0	0	(26)	126
Security deposits	(9)	0	(9)	206
Accounts payable and accrued liabilities	(210)	(32)	(231)	(189)
Deferred revenues	(138)	(14)	(189)	(36)
Net change in non-cash items related to operations	(179)	(171)	(167)	144
Net cash used in operating activities	(2,597)	(1,901)	(4,884)	(3,370)
Financing activities
Repayment of term loans	0	0	0	(737)
Issuance of loan	0	500	3,000	2,500
Finance lease payments	(9)	(4)	(18)	(10)
Proceeds from issuance of shares	0	12,346	0	12,346
Transaction costs of share issuance	0	(422)	0	(422)
Transaction costs of debt extinguishment	0	(29)	0	(29)
Net cash provided by (used in) financing activities	(9)	12,391	2,982	13,648
Investing activities
Additions to leasehold improvements and equipment	(42)	(10)	(106)	(22)
Redemption of short-term investments	0	407	5,719	1,034
Acquisition of short-term investments	(2,039)	(6,000)	(5,739)	(6,000)
Net cash (used in) provided by investing activities	(2,081)	(5,603)	(126)	(4,988)
Increase (decrease) in cash	(4,687)	4,887	(2,028)	5,290
Effect of foreign exchange on cash	48	(338)	58	(374)
Cash
Beginning of period	6,614	1,572	3,945	1,205
End of period	$ 1,975	$ 6,121	$ 1,975	$ 6,121