Convertible Notes (Narrative) (Details)							1 Months Ended		3 Months Ended		6 Months Ended				12 Months Ended
	Aug. 05, 2021 USD ($) $ / shares shares	Jun. 01, 2021 $ / shares	Oct. 23, 2020 USD ($) $ / shares	Oct. 15, 2020 USD ($) $ / shares	Oct. 15, 2020 USD ($) $ / shares	May 08, 2018 USD ($) $ / shares shares	May 19, 2021 USD ($) $ / shares	Oct. 23, 2020 USD ($) $ / shares	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 CAD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 CAD ($) shares	Jun. 30, 2021 USD ($) shares	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 25, 2020 $ / shares	Jun. 25, 2020 $ / shares	Dec. 31, 2017 CAD ($)	Dec. 31, 2017 USD ($)	Jul. 12, 2017 CAD ($) $ / shares	Jul. 12, 2017 USD ($) $ / shares
Debt Instrument [Line Items]
Debt instrument, face amount											$ 5,450,000					$ 4,229,000			$ 7,600,000	$ 5,898,000	$ 6,838,000	$ 5,307,000
Convertible notes, conversion price | (per share)						$ 0.8											$ 1.35	$ 1.05			$ 1.35	$ 1.05
Commission paid to agents						$ 157,800
Warrants issued during period, value						$ 50,000
Accretion expense									$ 92,000	$ 126,000		$ 183,000		$ 264,000
Stock issued during period, shares, conversion of units | shares						320
Subscription price of units						$ 10,000
Stock issued, value, conversion of units						$ 3,200,000
Common stock issued in units | shares						7,940
Stock Issued During Period, Value, Conversion of Convertible Securities											$ 60,000	46,000	$ 384,000	311,000
Sale of Stock, Price Per Share | $ / shares						$ 0.8
Stock Issued During Period, Shares, Issued for Services | shares						243,275
Equity Issuance, Per Share Amount | $ / shares						$ 0.8
Gain (Loss) on Extinguishment of Debt									$ 0	$ 151,000		0		151,000
Increase in additional paid-in capital upon conversion of convertible notes												48,000
Convertible Debt Securities [Member]
Debt Instrument [Line Items]
Warrants issued during period | shares						7,690
Convertible debt issued in units						$ 5,000
Interest rate on convertible note						6.00%
Convertible notes [Member]
Debt Instrument [Line Items]
Transaction costs																$ 29,000
Accretion expense												15,000		118,000
Financing and interest expense												40,000		$ 51,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares													670,452	670,452
Stock Issued During Period, Value, Conversion of Convertible Securities														$ 295,000
Increase in additional paid-in capital upon conversion of convertible notes														262,000
Private Placement [Member] | Warrant [Member]
Debt Instrument [Line Items]
Warrants issued during period, value								$ 44,000
8% convertible notes due July 31, 2025 [Member]
Debt Instrument [Line Items]
Transactions costs of convertible notes												403,000			$ 403,000
Accretion expense												41,000		0
Beneficial conversion feature												0			411,000
Financing and interest expense												84,000		0
8% convertible notes due July 31, 2025 [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 2,100,000
Convertible notes percentage	8.00%
Convertible notes, conversion price | $ / shares	$ 0.4
Commission paid to agents	$ 199,525
Warrants issued during period | shares	613,000
Exercise price of warrants issued | $ / shares	$ 0.4
Warrants issued during period, value	$ 164,000
Transactions costs of convertible notes												403,000
8% convertible notes due Oct 15, 2024 [Member]
Debt Instrument [Line Items]
Financing and interest expense												66,000		70,000
8% convertible notes due Oct 15, 2024 [Member] | Private Placement [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			$ 557,000	$ 1,200,000	$ 1,200,000			$ 557,000
Convertible notes percentage			8.00%	8.00%	8.00%			8.00%
Convertible notes, conversion price | $ / shares			$ 0.18	$ 0.18	$ 0.18			$ 0.18
Exercise price of warrants issued | $ / shares			$ 0.18	$ 0.18	$ 0.18			$ 0.18
Warrants issued during period, value					$ 482,000			$ 222,800
Transactions costs of convertible notes												268,000
Accretion expense												29,000		$ 28,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares													377,777	377,777
Stock Issued During Period, Value, Conversion of Convertible Securities														$ 68,000
Payments of debt issuance costs			$ 39,000	$ 85,000
Increase in additional paid-in capital upon conversion of convertible notes														$ 59,000
Amendment to convertible note [Member]
Debt Instrument [Line Items]
Convertible notes, conversion price | $ / shares		$ 0.44					$ 0.8
Transactions costs of convertible notes												$ 29,000			$ 29,000
Interest rate on convertible note		8.00%					6.00%
Gain (Loss) on Extinguishment of Debt							$ 151,000,000