CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) |
Preferred Stock [Member] |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Accumulated Other Comprehensive Income (Loss) [Member] |
Accumulated Deficit [Member] |
Total |
|---|---|---|---|---|---|---|
| Balance at Aug. 31, 2018 | $ 433 | $ 79,218 | $ 171,831,293 | $ 66,446 | $ (102,524,171) | $ 69,453,219 |
| Balance (in shares) at Aug. 31, 2018 | 432,513 | 23,764,098 | ||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Share-based compensation | $ 0 | $ 0 | 336,228 | 0 | 0 | 336,228 |
| Exercise of options | $ 0 | $ 209 | 192,892 | 0 | 0 | 193,101 |
| Exercise of options (in shares) | 0 | 62,500 | ||||
| Net income | $ 0 | $ 0 | 0 | 0 | 4,811,148 | 4,811,148 |
| Unrealized holding losses on investments | 0 | 0 | 0 | (62,556) | 0 | (62,556) |
| Balance at Aug. 31, 2019 | $ 433 | $ 79,427 | 172,360,413 | 3,891 | (97,713,023) | 74,731,141 |
| Balance (in shares) at Aug. 31, 2019 | 432,513 | 23,826,598 | ||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Share-based compensation | $ 0 | $ 0 | 367,624 | 0 | 0 | 367,624 |
| Exercise of options | $ 0 | $ 58 | 49,141 | 0 | 0 | 49,199 |
| Exercise of options (in shares) | 0 | 17,500 | ||||
| Unrestricted stock issue | $ 0 | $ 40 | 149,360 | 0 | 0 | 149,400 |
| Unrestricted stock issue (in shares) | 0 | 12,000 | ||||
| Net income | $ 0 | $ 0 | 0 | 0 | 6,750,354 | 6,750,354 |
| Unrealized holding losses on investments | 0 | 0 | 0 | (3,891) | 0 | (3,891) |
| Balance at Aug. 31, 2020 | $ 433 | $ 79,525 | $ 172,926,538 | $ 0 | $ (90,962,669) | $ 82,043,827 |
| Balance (in shares) at Aug. 31, 2020 | 432,513 | 23,856,098 |
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. No definition available.
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
|
| X | ||||||||||
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. No definition available.
|
| X | ||||||||||
- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|