Stockholders' Equity (Stock Options Narrative) (Details) - USD ($) |
3 Months Ended | |||
|---|---|---|---|---|
May 13, 2019 |
Jul. 31, 2019 |
Dec. 13, 2018 |
Mar. 13, 2012 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Unrecognized compensation cost | Ìý | $ 1,576,081 | Ìý | Ìý |
| Weighted average recognition period | Ìý | 2 years | Ìý | Ìý |
| Share based compensation expense | Ìý | $ 498,417 | Ìý | Ìý |
| Non-qualified stock options to certain former directors [Member] | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Options granted | 30,000 | Ìý | Ìý | Ìý |
| Options term | P5Y | Ìý | Ìý | Ìý |
| Exercisable price per share | $ 4.12 | Ìý | Ìý | Ìý |
| Equity Incentive Plan [Member] | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Equity Incentive Plan, shares authorized | Ìý | Ìý | 500,000 | 3,500,000 |
| Equity Incentive Plan, available shares remaining for issuance | Ìý | 229,238 | Ìý | Ìý |
| Shares remaining available for future issuance | Ìý | 10,852 | Ìý | Ìý |
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Description of terms of award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of noncash expense for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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