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Stockholders' Equity (Tables)
 12 Months Ended
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 year174,334207,16657,666
Granted--194,000
Vested(31,409)(25,332)(44,500)
Forfeited(2,257)(7,500)-
Unvested at end of year140,668174,334207,166
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 return1.34 - 1.48%
Option term10.0 years
Expected life6.0 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
SharesExercise Price
Outstanding, September 30, 2014170,000$5.46
Options granted37,0007.25
Exercised--
Forfeited and Cancelled(74,000)5.76
Outstanding, September 30, 2015133,000$5.79
Options granted--
Exercised42,5005.17
Forfeited and Cancelled(11,000)3.60
Outstanding, September 30, 201679,500$6.43
Options granted--
Exercised33,7506.46
Forfeited and Cancelled--
Outstanding, September 30, 201745,750$6.42
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Exercise PricesOutstanding as of September 30, 2017Remaining Contractual Life in YearsWeighted-Average Exercise PriceExercisable as of September 30, 2017Weighted-Average Exercise Price
$5.76 25,5005.58 $5.7625,500$5.76
$7.27 11,0007.29 $7.2711,000$7.27
$7.21 9,2507.34 $7.219,250$7.21
45,750$6.4245,750$6.75