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Stock-Based Compensation - Narrative (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 04, 2015 | Apr. 20, 2015 | Jan. 21, 2015 | Apr. 29, 2014 | Apr. 01, 2014 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Stock based compensation |  |  |  |  |  |  | $ 251,144 | $ 279,970 | $ 385,818 | $ 658,800
Compensation cost related to non vested awards not yet recognized |  |  |  |  |  |  | $ 3,084,760 |  | $ 3,084,760 |
Average remaining expense recognition period |  |  |  |  |  |  |  |  | 1 year 6 months |
Options outstanding |  |  |  |  |  |  | 284,246 |  | 284,246 |
Separate Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Options outstanding |  |  |  |  |  |  | 38,650 |  | 38,650 |
Lower exercise price for options outstanding under the separate plan (in dollars per share) |  |  |  |  |  |  |  |  | $ 16.01 |
Restricted stock units | Employee |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Option and restricted stock unit vesting period | 3 years |  |  |  |  |  |  |  |  |
Equity instruments other than options, grants in period (in shares) |  |  |  |  | 82,000 |  |  |  |  |
Grants in period, weighted average grant date fair value (in dollars per share) |  |  |  |  | $ 0.80 |  |  |  |  |
Restricted stock units | Employee | Share-based Compensation Award, Tranche One |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage | 25.00% |  |  |  |  |  |  |  |  |
Restricted stock units | Employee | Share-based Compensation Award, Tranche One |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage | 25.00% |  |  |  |  |  |  |  |  |
Restricted stock units | Employee | Share-based Compensation Award, Tranche Three |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage | 50.00% |  |  |  |  |  |  |  |  |
Restricted stock units | Board of Directors |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Equity instruments other than options, grants in period (in shares) |  | 51,948 |  | 102,560 |  |  |  |  |  |
Grants in period, weighted average grant date fair value (in dollars per share) |  | $ 2.31 |  | $ 0.78 |  |  |  |  |  |
Restricted stock units | Director |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Equity instruments other than options, grants in period (in shares) |  |  |  |  |  | 20,073 |  |  |  |
Grants in period, weighted average grant date fair value (in dollars per share) |  |  |  |  |  | $ 1.53 |  |  |  |
Performance Shares | Employee |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Equity instruments other than options, grants in period (in shares) |  |  | 697,853 |  |  |  |  |  |  |
Grants in period, weighted average grant date fair value (in dollars per share) |  |  | $ 1.13 |  |  |  |  |  |  |
Restricted Stock Units (RSUs) and Performance Restricted Stock Units (RSUs) | Employee |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Equity instruments other than options, grants in period (in shares) | 965,500 |  |  |  |  |  |  |  |  |
Grants in period, weighted average grant date fair value (in dollars per share) | $ 3.03 |  |  |  |  |  |  |  |  |
Performance Restricted Stock Units (RSUs) | Employee |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Award vesting rights, percentage | 33.33% |  |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Option and restricted stock unit vesting period |  |  |  |  |  |  |  |  | 3 years |

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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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