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Stockholders' Equity (Tables) | 6 Months Ended
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Mar. 31, 2017
Equity [Abstract] |
Schedule of treasury stock purchases and issuances | The following table illustrates the Company’s treasury stock purchases and issuances for the six months ended March 31, 2017:
(in thousands, except share amounts) |  |  |
| Shares |  | Cost
Balance as of September 30, 2016 | 100,610 |  |  | $ | 4,585 |
Purchased | 24,502 |  |  | 641 |
Issued to Directors | (15,286 | ) |  | (640 | )
Balance as of March 31, 2017 | 109,826 |  |  | $ | 4,586 |
Schedule of stock options using valuation assumptions | The fair value of the Option Grants was estimated on the date of grant using a Monte Carlo valuation model that uses the assumptions noted in the following table. The expected term of options granted is derived from the output of the option valuation model and represents the period of time that options granted are expected to be outstanding; the range given below results from different time-frames for the various market conditions being met.
Expected Volatility | 32.19 | %
Expected Term (in years) | 2.6 - 4.0 |
Risk Free Rate | 2.45 | %

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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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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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