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SHAREHOLDERS' EQUITY: (Tables) | 12 Months Ended
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Sep. 30, 2013
Stockholders' Equity Note [Abstract] |
Summary of the activity in various stock option plans | The following table summarizes the activity in DLH's various stock option plans for the years ended September 30, 2013 and 2012:
| Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term |  | Aggregate Pretax Intrinsic Value
Options outstanding, September 30, 2011 | 1,537,500 |  |  | $ | 1.19 |  |  | 9.3 |  | $ | 743,745 |
Granted | 275,000 |  |  | 1.39 |  |  |  |  |
Exercised | — |  |  | — |  |  |  |  |
Canceled | (450,000 | ) |  | 1.34 |  |  |  |  |
Options outstanding, September 30, 2012 | 1,362,500 |  |  | 1.19 |  |  | 8.6 |  | $ | 140,000 |
Granted | 250,000 |  |  | 0.95 |  |  |  |  |  |
Exercised | — |  |  | — |  |  |  |  |  |
Canceled | — |  |  | — |  |  |  |  |  |
Options outstanding, September 30, 2013 | 1,612,500 |  |  | $ | 1.15 |  |  | 7.9 |  | $ | 387,500 |
Schedule of weighted average assumptions used in the valuation of all option awards | Weighted average assumptions used in the valuation of all option awards were as follows:
|  | 2013 |  | 2012
Risk free interest rate |  | 0.69% |  | 0.62%
Contractual lives |  | 10 years |  | 10 years
Dividend yield |  | —% |  | —%
Expected lives (in years) |  | 10 years |  | 10 years
Expected volatility |  | 70.2% |  | 70.3%
Fair Value per Option |  | $0.22 |  | $0.17
Summary of activity in restricted stock | A summary of activity in restricted stock is as follows:
|  | Number Of Shares |  | Weighted Average Grant-Date Fair Value
Restricted stock outstanding, September 30, 2012 |  | 52,500 |  |  | $2.85
Granted |  | 52,500 |  |  | $1.03
Issued |  | (52,500 | ) |  | $1.03
Canceled |  | — |  |  | —
Restricted stock outstanding, September 30, 2013 |  | 52,500 |  |  | $2.85

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -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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