Capital Stock - Schedule of Outstanding and Exercisable Stock Purchase Warrants (Details) - $ / shares		6 Months Ended
Jul. 06, 2018	Sep. 30, 2018
Notes to Financial Statements
Number of shares, Outstanding Beginning		8,872,160
Number of shares granted		1,494,112
Number of shares exercised		(1,987,519)
Number of shares forfeited or cancelled	(2,974,800)	(2,958,800)
Number of shares expired		(16,000)
Number of shares Outstanding ending		5,403,953
Number of shares exercisable		5,403,953
Weighted Average Exercise Price Outstanding Beginning		$ 2.22
Weighted Average Exercise Price granted		2.04
Weighted Average Exercise Price exercised		2.41
Weighted Average Exercise Price forfeited or cancelled		2.47
Weighted Average Exercise Price expired		2.50
Weighted Average Exercise Price Outstanding ending		1.97
Weighted Average Exercise Price exercisable		$ 1.97
Weighted Average Life Remaining (Years) Outstnding Beginning		1 year 9 months 25 days
Weighted Average Life Remaining (Years), granted		4 years 2 months 19 days
Weighted Average Life Remaining (Years) Outstnding ending		4 years 6 months 25 days
Weighted Average Life Remaining (Years), exercisable		4 years 6 months 25 days

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Weighted average life remaining years granted.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of non-vested options forfeited.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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