Shareholders' Equity - Schedule of Employee Stock Options Outstanding (Details)	12 Months Ended
	Mar. 31, 2021 $ / shares shares
Stock Options Number Outstanding | shares	1,680,000	[1]
Stock Option Number Exercisable | shares	1,580,000	[1]
Exercise Price Range One [Member]
Stock Options Outstanding Exercise Price, Lower Range Limit	$ 0.12
Stock Options Outstanding Exercise Price, Upper Range Limit	$ 0.38
Stock Options Number Outstanding | shares	1,130,000
Stock Option Outstanding Weighted Average Remaining Contractual Life	4 years
Stock Option Outstanding Weighted Average Exercise Price	$ 0.24
Stock Option Number Exercisable | shares	1,030,000
Stock Option Exercisable Weighted Average Exercise Price	$ 0.23
Exercise Price Range Two [Member]
Stock Options Outstanding Exercise Price, Lower Range Limit	0.47
Stock Options Outstanding Exercise Price, Upper Range Limit	$ 0.55
Stock Options Number Outstanding | shares	550,000
Stock Option Outstanding Weighted Average Remaining Contractual Life	6 years 15 days
Stock Option Outstanding Weighted Average Exercise Price	$ 0.50
Stock Option Number Exercisable | shares	550,000
Stock Option Exercisable Weighted Average Exercise Price	$ 0.50

[1] Total number of options outstanding as of March 31, 2021 includes 600,000 options issued to five current and two former directors as compensation and 1,040,000 options issued to key employees that were not issued from the Plan.