Convertible Debentures (Narrative) (Details)					1 Months Ended		3 Months Ended				12 Months Ended
	Aug. 08, 2017 CAD ($)	Aug. 08, 2017 USD ($)	Jul. 12, 2017 CAD ($) $ / shares shares	Jul. 12, 2017 USD ($)	Jun. 25, 2020 $ / shares	Jun. 25, 2020 $ / shares $ / shares	Mar. 31, 2022 CAD ($) shares	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 CAD ($) shares	Mar. 31, 2021 USD ($) shares	Dec. 31, 2017 CAD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2021	Jun. 25, 2020 $ / shares	May 08, 2018 $ / shares	Dec. 31, 2017 USD ($)	Jul. 12, 2017 USD ($) $ / shares shares
Convertible Debentures [Line Items]
Proceeds from Convertible Debt	$ 762,000	$ 610,000	$ 6,838,000	$ 5,472,000
Aggregate principal amount			6,838,000								$ 7,600,000					$ 6,082,000	$ 5,472,000
Proceeds from Convertible Debt, amount per instrument			$ 1,000	$ 800							$ 1,000	$ 800
Debt Instrument, Interest Rate													8.00%
Debt Instrument, Convertible, Conversion Price | (per share)			$ 1.35		$ 1.35	$ 1.35								$ 1.08	$ 0.80		$ 1.08
Debt Instrument, Convertible, Conversion Price, Decrease | (per share)					$ 0.50	$ 0.40
Debt Instrument, Convertible, Number of shares per instrument | shares			740														740
Accretion Expense							$ 62,000	$ 49,000	$ 73,000	$ 58,000
Stock Issued During Period, Value, Conversion of Convertible Securities							40,000	32,000	240,000	191,000
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt | $								31,000
Interest on Convertible Debt, Net of Tax							$ 110,000	$ 87,000	$ 146,000	$ 115,000
Common Stock [Member]
Convertible Debentures [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares							80,000	80,000	480,000	480,000
Additional Paid-in Capital [Member]
Convertible Debentures [Line Items]
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt | $								$ 31,000		$ 178,000