Convertible Notes (Narrative) (Details)				1 Months Ended		12 Months Ended
	Aug. 05, 2021 USD ($) $ / shares shares	Oct. 15, 2020 USD ($) $ / shares shares	May 08, 2018 USD ($) $ / shares shares	May 19, 2021 USD ($)	Oct. 23, 2020 USD ($) $ / shares shares	Dec. 31, 2022 CAD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 CAD ($) shares	Dec. 31, 2021 USD ($) shares	Jun. 30, 2022 CAD ($)	Jun. 30, 2022 USD ($)	Jun. 01, 2021 $ / shares	May 19, 2021 $ / shares	Jun. 25, 2020 $ / shares	Jun. 25, 2020 $ / shares	Aug. 08, 2017 CAD ($)	Aug. 08, 2017 USD ($)	Jul. 12, 2017 CAD ($) $ / shares	Jul. 12, 2017 USD ($) $ / shares
Debt Instrument [Line Items]
Stock Issued During Period, Shares, Conversion of Units | shares			320
Subscription price per unit			$ 10,000
Gross proceeds from issuance of units			$ 3,200,000
Stock Issued During Period, Value, Conversion of Convertible Securities						$ 60,000	$ 48,000	$ 1,926,000	$ 1,519,000
Warrants issued during period | shares			7,690
Interest rate on convertible note			6.00%
Repayment of convertible debentures in shares							4,229,000		0
Aggregate principal amount										$ 5,450,000	$ 4,229,000					$ 7,600,000	$ 5,611,000	$ 6,838,000	$ 5,049,000
Convertible notes, conversion price | (per share)			$ 0.8											$ 0.5	$ 0.37			$ 1.35	$ 1
Warrants issued during period, value			$ 50,000
Sale of stock, price per share | $ / shares			$ 0.8
Commission paid to agents			$ 157,800
Stock Issued During Period, Shares, Issued for Services | shares			243,275
Equity issuance, per share amount | $ / shares			$ 0.8
Net Proceeds of Units							2,872,000
Gain (Loss) on Extinguishment of Debt							$ 0		151,000
Increase in additional paid-in capital									$ 325,000
Convertible debt securities [Member]
Debt Instrument [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares			7,940
Stock Issued During Period, Value, Conversion of Convertible Securities			$ 5,000
Interest rate on convertible note			6.00%
Common stock [Member]
Debt Instrument [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares						120,000	120,000	3,852,000	3,852,000
Net Proceeds of Units							$ 1,460,000
Warrants [Member]
Debt Instrument [Line Items]
Net Proceeds of Units							437,000
8% convertible notes due July 31, 2025 [Member]
Debt Instrument [Line Items]
Aggregate principal amount							2,101,000		$ 2,101,000
Transaction costs							403,000		403,000
Accretion							119,000		58,000
Accretion Expense Of Convertible Notes 2022							85,000
Beneficial conversion feature							0		411,000
Interest on convertible notes							168,000		68,000
8% convertible notes due July 31, 2025 [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 2,100,000
Debt Instrument, interest rate, stated percentage	8.00%
Convertible notes, conversion price | $ / shares	$ 0.4
Payments of debt issuance costs	$ 199,525
Number of common shares called by warrants | shares	613,000
Exercise price of warrants issued | $ / shares	$ 0.4
Warrants issued during period, value	$ 164,000
Transaction costs	$ 403,000
Convertible notes [Member]
Debt Instrument [Line Items]
Transaction costs							29,000
Accretion							31,000		135,000
Interest on convertible notes							80,000		99,000
Net Proceeds of Units							975,000
Amount of convertible notes converted									$ 600,000
Common shares issued in conversion of convertible note | shares								1,363,625	1,363,625
Increase in additional paid-in capital									$ 535,000
8% convertible notes due Oct 15, 2024 [Member]
Debt Instrument [Line Items]
Transaction costs					$ 268,000
Accretion							126,000		66,000
Interest on convertible notes							132,000		137,000
Amount of convertible notes converted									$ 112,000
Common shares issued in conversion of convertible note | shares								622,222	622,222
Increase in additional paid-in capital									$ 97,000
Interest paid on convertible notes by issuance of common shares							$ 1,000
Number of common shares issued to pay interest of debt | shares						3,910	3,910
8% convertible notes due Oct 15, 2024 [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Aggregate principal amount		$ 1,200,000			$ 557,000
Debt Instrument, interest rate, stated percentage		8.00%			8.00%
Convertible notes, conversion price | $ / shares		$ 0.18			$ 0.18
Payments of debt issuance costs					$ 39,000
Number of common shares called by warrants | shares		482,000			222,800
Exercise price of warrants issued | $ / shares		$ 0.18			$ 0.18
Warrants issued during period, value					$ 44,000
Accretion							$ 59,000		54,000
Cash commission paid		$ 85,000
Amendment to Convertible Note [Member]
Debt Instrument [Line Items]
Aggregate principal amount							909,000		909,000
Debt Instrument, interest rate, stated percentage													6.00%
Convertible notes, conversion price | $ / shares												$ 0.44	$ 0.8
Transaction costs							29,000		29,000
Accretion							$ 52,000		$ 21,000
Gain (Loss) on Extinguishment of Debt				$ 151,000