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SHAREHOLDERS' EQUITY, Incentive and Equity Plan, and Combined Stock Option Activity (Details) - USD ($) |  |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 16, 2019 | Sep. 26, 2018 | Feb. 28, 2019 | Aug. 31, 2018
2014 Equity Plan [Member] |  |  |  |  |
Stock Option Activity [Abstract] |  |  |  |  |
Reserved shares of common stock for issuance (in shares) |  |  |  | 1,600,000 |
2004 Incentive Plan and 2014 Equity Plan [Member] |  |  |  |  |
Number of Options [Roll Forward] |  |  |  |  |
Outstanding, beginning of period (in shares) |  |  |  | 535,500 |
Granted (in shares) | [1] |  |  | 82,500 |
Exercised (in shares) |  |  |  | (37,500) |
Forfeited or expired (in shares) |  |  |  | 0 |
Outstanding, end of period (in shares) |  |  |  | 580,500 | 535,500
Options exercisable (in shares) |  |  |  | 428,000 |
Weighted Average Exercise Price [Roll Forward] |  |  |  |  |
Outstanding, beginning of period (in dollars per share) |  |  |  | $ 5.31 |
Granted (in dollars per share) |  |  |  | 10.48 |
Exercised (in dollars per share) |  |  |  | 3.06 |
Forfeited or expired (in dollars per share) |  |  |  | 0 |
Outstanding, end of period (in dollars per share) |  |  |  | 6.19 | $ 5.31
Options exercisable (in dollars per share) |  |  |  | $ 5.30 |
Stock Options, Additional Disclosure [Abstract] |  |  |  |  |
Weighted average remaining contractual term |  |  |  | 6 years 6 months | 6 years 14 days
Weighted average remaining contractual term options exercisable |  |  |  | 5 years 7 months 24 days |
Approximate aggregate intrinsic value |  |  |  | $ 2,343,935 | $ 3,180,990
Approximate aggregate intrinsic value options exercisable |  |  |  | $ 2,069,419 |
2004 Incentive Plan and 2014 Equity Plan [Member] | Mr. Harding [Member] |  |  |  |  |
Number of Options [Roll Forward] |  |  |  |  |
Granted (in shares) |  |  | 50,000 |  |
2004 Incentive Plan and 2014 Equity Plan [Member] | Non-Employee Director [Member] |  |  |  |  |
Number of Options [Roll Forward] |  |  |  |  |
Granted (in shares) |  | 32,500 |  |  |
[1] | Includes 50,000 shares granted to Mr. Harding on September 26, 2018 and 32,500 total shares granted to non-employee directors on January 16, 2019.

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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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=109197908&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=109197908&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, 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 or that expired. + 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)-(4) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + 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)-(4) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + 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=109197908&loc=d3e5070-113901 + 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=109197908&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=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance 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)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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=109197908&loc=d3e5070-113901 + Details
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