Summary of significant accounting policies (Details 3) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Nov. 30, 2019 |
Nov. 30, 2018 |
Aug. 31, 2019 |
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| Additional Paid-In Capital | $ 32,619,000 | $ 32,505,000 | |
| Accumulated deficit | (47,506,000) | (44,950,000) | |
| Net Loss | $ (2,556,000) | $ (2,246,000) | $ (18,700,000) |
| Net loss per share - Basic and diluted | $ (2.86) | $ (3.11) | |
| As Restated [Member] | |||
| Convertible note, net | $ 5,570,000 | ||
| Additional Paid-In Capital | 20,961,000 | ||
| Accumulated deficit | (28,470,000) | ||
| Net Loss | $ (2,246,000) | ||
| Net loss per share - Basic and diluted | $ (3.11) | ||
| Adjustments [Member] | |||
| Convertible note, net | $ (739,000) | ||
| Additional Paid-In Capital | 1,232,000 | ||
| Accumulated deficit | (493,000) | ||
| Net Loss | $ (246,000) | ||
| Net loss per share - Basic and diluted | $ (0.34) | ||
| As Previously Reported [Member] | |||
| Convertible note, net | $ 6,309,000 | ||
| Additional Paid-In Capital | 19,729,000 | ||
| Accumulated deficit | (27,977,000) | ||
| Net Loss | $ (2,000,000) | ||
| Net loss per share - Basic and diluted | $ (2.77) | ||
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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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