CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (unaudited) - USD ($) |
Preferred Stock [Member] |
Preferred Stock [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
|
Common Stock [Member] |
Common Stock [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
|
Additional Paid-in Capital [Member] |
Additional Paid-in Capital [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
|
Accumulated Other Comprehensive Income (Loss) [Member] |
Accumulated Other Comprehensive Income (Loss) [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
|
Accumulated Deficit [Member] |
Accumulated Deficit [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
|
Total |
Cumulative Effect, Period of Adoption, Adjustment [Member] |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Balance at Aug. 31, 2018 | $ 433 | $ 0 | $ 79,218 | $ 0 | $ 171,831,293 | $ 0 | $ 66,446 | $ 0 | $ (102,524,171) | $ 0 | $ 69,453,219 | $ 0 |
Balance (in shares) at Aug. 31, 2018 | 432,513 | 23,764,098 | ||||||||||
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||
Stock option exercises | $ 0 | $ 126 | 114,725 | 0 | 0 | 114,851 | ||||||
Stock option exercises (in shares) | 0 | 37,500 | ||||||||||
Share-based compensation | $ 0 | $ 0 | 257,813 | 0 | 0 | 257,813 | ||||||
Net income | 0 | 0 | 0 | 0 | 1,799,318 | 1,799,318 | ||||||
Unrealized holding loss on investments | 0 | 0 | 0 | (53,790) | 0 | (53,790) | ||||||
Balance at May. 31, 2019 | $ 433 | $ 79,344 | 172,203,831 | 12,656 | (100,724,853) | 71,571,411 | ||||||
Balance (in shares) at May. 31, 2019 | 432,513 | 23,801,598 | ||||||||||
Balance at Feb. 28, 2019 | $ 433 | $ 79,344 | 172,107,735 | 12,687 | (101,986,224) | 70,213,975 | ||||||
Balance (in shares) at Feb. 28, 2019 | 432,513 | 23,801,598 | ||||||||||
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||
Stock option exercises | $ 0 | $ 0 | 0 | 0 | 0 | 0 | ||||||
Stock option exercises (in shares) | 0 | 0 | ||||||||||
Share-based compensation | $ 0 | $ 0 | 96,096 | 0 | 0 | 96,096 | ||||||
Net income | 0 | 0 | 0 | 0 | 1,261,371 | 1,261,371 | ||||||
Unrealized holding loss on investments | 0 | 0 | 0 | (31) | 0 | (31) | ||||||
Balance at May. 31, 2019 | $ 433 | $ 79,344 | 172,203,831 | 12,656 | (100,724,853) | 71,571,411 | ||||||
Balance (in shares) at May. 31, 2019 | 432,513 | 23,801,598 | ||||||||||
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] | ||||||||||||
Stock option exercises | $ 0 | $ 50 | 39,975 | 0 | 0 | 40,025 | ||||||
Stock option exercises (in shares) | 0 | 15,000 | ||||||||||
Stock granted for services | $ 0 | $ 40 | 149,360 | 0 | 0 | 149,400 | ||||||
Stock granted for services (in shares) | 0 | 12,000 | ||||||||||
Share-based compensation | $ 0 | $ 0 | 285,709 | 0 | 0 | 285,709 | ||||||
Net income | 0 | 0 | 0 | 0 | 6,063,720 | 6,063,720 | ||||||
Unrealized holding loss on investments | 0 | 0 | 0 | (3,891) | 0 | (3,891) | ||||||
Balance at May. 31, 2020 | $ 433 | $ 79,517 | 172,835,457 | 0 | (91,649,303) | 81,266,104 | ||||||
Balance (in shares) at May. 31, 2020 | 432,513 | 23,853,598 | ||||||||||
Balance at Feb. 29, 2020 | $ 433 | $ 79,509 | 172,748,925 | 233 | (91,676,640) | 81,152,460 | ||||||
Balance (in shares) at Feb. 29, 2020 | 432,513 | 23,851,098 | ||||||||||
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||
Stock option exercises | $ 0 | $ 8 | 4,617 | 0 | 0 | 4,625 | ||||||
Stock option exercises (in shares) | 0 | 2,500 | ||||||||||
Stock granted for services | $ 0 | $ 0 | 0 | 0 | 0 | 0 | ||||||
Stock granted for services (in shares) | 0 | 0 | ||||||||||
Share-based compensation | $ 0 | $ 0 | 81,915 | 0 | 0 | 81,915 | ||||||
Net income | 0 | 0 | 0 | 0 | 27,337 | 27,337 | ||||||
Unrealized holding loss on investments | 0 | 0 | 0 | (233) | 0 | (233) | ||||||
Balance at May. 31, 2020 | $ 433 | $ 79,517 | $ 172,835,457 | $ 0 | $ (91,649,303) | $ 81,266,104 | ||||||
Balance (in shares) at May. 31, 2020 | 432,513 | 23,853,598 |