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Stockholders' Equity (Tables) | 12 Months Ended
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Sep. 30, 2017
Stockholders' Equity [Abstract] |
Schedule Of Unvested Restricted Stock Units Roll Forward Table [Text Block] |
|  | Years Ended September 30,
|  | 2017 |  | 2016 |  | 2015
Unvested at beginning of year |  | 174,334 |  | 207,166 |  | 57,666
| Granted |  | - |  | - |  | 194,000
| Vested |  | (31,409) |  | (25,332) |  | (44,500)
| Forfeited |  | (2,257) |  | (7,500) |  | -
Unvested at end of year |  | 140,668 |  | 174,334 |  | 207,166
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  |  |  | Year Ended
|  |  |  | September 30,
|  |  |  | 2015
Weighted average value per option granted during the period |  | $ | 3.87
Dividends (1) |  | $ | -
Stock price volatility (2) |  |  | 55.6 - 57.8%
Risk-free rate of return |  |  | 1.34 - 1.48%
Option term |  |  | 10.0 years
Expected life |  |  | 6.0 years
Forfeiture rate (3) |  |  | 10.0%
| (1) We do not currently pay dividends on our common stock.
| (2) Based upon the Company's historical volatility.
| (3) Based upon the Company's historical data.
Schedule Of Stock Options Roll Forward Table [Text Block] |
|  |  |  | Weighted Average
|  | Shares |  | Exercise Price
Outstanding, September 30, 2014 |  | 170,000 |  | $ | 5.46
Options granted |  | 37,000 |  |  | 7.25
Exercised |  | - |  |  | -
Forfeited and Cancelled |  | (74,000) |  |  | 5.76
Outstanding, September 30, 2015 |  | 133,000 |  | $ | 5.79
Options granted |  | - |  |  | -
Exercised |  | 42,500 |  |  | 5.17
Forfeited and Cancelled |  | (11,000) |  |  | 3.60
Outstanding, September 30, 2016 |  | 79,500 |  | $ | 6.43
Options granted |  | - |  |  | -
Exercised |  | 33,750 |  |  | 6.46
Forfeited and Cancelled |  | - |  |  | -
Outstanding, September 30, 2017 |  | 45,750 |  | $ | 6.42
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] |
Exercise Prices |  | Outstanding as of September 30, 2017 |  | Remaining Contractual Life in Years |  |  | Weighted-Average Exercise Price |  | Exercisable as of September 30, 2017 |  |  | Weighted-Average Exercise Price
$5.76 |  | 25,500 |  | 5.58 |  | $ | 5.76 |  | 25,500 |  | $ | 5.76
$7.27 |  | 11,000 |  | 7.29 |  | $ | 7.27 |  | 11,000 |  | $ | 7.27
$7.21 |  | 9,250 |  | 7.34 |  | $ | 7.21 |  | 9,250 |  | $ | 7.21
|  | 45,750 |  |  |  | $ | 6.42 |  | 45,750 |  | $ | 6.75

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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