SHAREHOLDERS' EQUITY, Incentive and Equity Plan, and Combined Stock Option Activity (Details) - USD ($)
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9 Months Ended |
12 Months Ended |
Jan. 16, 2019 |
Sep. 26, 2018 |
May 31, 2019 |
Aug. 31, 2018 |
| 2014 Equity Plan [Member] |
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| Stock Option Activity [Abstract] |
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| Reserved shares of common stock for issuance (in shares) |
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1,600,000
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| 2004 Incentive Plan and 2014 Equity Plan [Member] |
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| Number of Options [Roll Forward] |
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| Outstanding, beginning of period (in shares) |
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535,500
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| Granted (in shares) |
[1] |
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82,500
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| Exercised (in shares) |
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(37,500)
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| Forfeited or expired (in shares) |
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0
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| Outstanding, end of period (in shares) |
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580,500
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535,500
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| Options exercisable (in shares) |
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428,000
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| Weighted Average Exercise Price [Roll Forward] |
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| Outstanding, beginning of period (in dollars per share) |
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$ 5.31
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| Granted (in dollars per share) |
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10.48
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| Exercised (in dollars per share) |
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3.06
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| Forfeited or expired (in dollars per share) |
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0
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| Outstanding, end of period (in dollars per share) |
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6.19
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$ 5.31
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| Options exercisable (in dollars per share) |
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$ 5.30
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| Stock Options, Additional Disclosure [Abstract] |
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| Weighted average remaining contractual term |
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6 years 6 months
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6 years 14 days
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| Weighted average remaining contractual term options exercisable |
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5 years 7 months 24 days
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| Approximate aggregate intrinsic value |
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$ 1,962,630
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$ 3,180,990
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| Approximate aggregate intrinsic value options exercisable |
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$ 1,761,260
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| 2004 Incentive Plan and 2014 Equity Plan [Member] | Mr. Harding [Member] |
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| Number of Options [Roll Forward] |
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| Granted (in shares) |
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50,000
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| 2004 Incentive Plan and 2014 Equity Plan [Member] | Non-Employee Director [Member] |
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| Number of Options [Roll Forward] |
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| Granted (in shares) |
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32,500
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