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Shareholders' Equity - Summary of Stock Option Activity (Details) - $ / shares | 12 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Number of Options Exercised |  | (80,000) |  |
Stock Option [Member] |  |  |  |
Number of Options, Balance at Beginning of Year |  | 2,330,000 | [1] | 1,970,000
Number of Options Granted |  | 100,000 |  | 480,000
Number of Options Exercised |  | (160,000) |  |
Number of Options Forfeited |  | (60,000) |  | (120,000)
Number of Options, Balance at End of Year | [1] | 2,210,000 |  | 2,330,000
Number of Options, Exercisable at End of Year |  | 2,110,000 |  | 1,850,000
Weighted Average Exercise Price, Balance at Beginning of Year |  | $ 0.22 | [1] | $ 0.16
Weighted Average Exercise Price Granted |  | 0.55 |  | 0.49
Weighted Average Exercise Price Exercised |  | 0.08 |  |
Weighted Average Exercise Price Forfeited |  | 0.11 |  | 0.45
Weighted Average Exercise Price, Balance at End of Period | [1] | 0.25 |  | 0.22
Weighted Average Exercise Price, Options Exercisable at End of Year |  | $ 0.23 |  | $ 0.15
[1] | Total number of options outstanding as of March 31, 2019 includes 460,000 options issued to five current and two former directors as compensation and 1,150,000 options issue to key employees that were not issued from the Plan.

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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