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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2015
Stock-Based Compensation |
Summary of stock-based compensation expense |
|  | Year Ended December 31, |  | Three Months Ended December 31, |  | Year Ended September 30, |
|  | 2015 |  | 2014 |  | 2014 |  | 2013 |
Stock Options |  | $ | — |  | $ | — |  | $ | — |  | $ | 62,000 |
Restricted Stock Awards |  |  | 363,000 |  |  | 213,000 |  |  | 821,000 |  |  | 1,307,000 |
Restricted Stock Units |  |  | 526,000 |  |  | 74,000 |  |  | 233,000 |  |  | 25,000 |
Common Stock Awards |  |  | 267,000 |  |  | 165,000 |  |  | 171,000 |  |  | 403,000 |
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Total Compensation Expense |  | $ | 1,156,000 |  | $ | 452,000 |  | $ | 1,225,000 |  | $ | 1,797,000 |
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Summary of Company's employee stock options and activity |
|  | Number of Optioned Shares(1) |  | Weighted Average Exercise Price(1) |  | Weighted Average Remaining Contractual Term in Years |
Balance as of September 30, 2014 and December 31, 2014 |  |  | 160,434 |  | $ | 10.74 |  |  |  |
Forfeited |  |  | (1,760 | ) | $ | 10.74 |  |  |  |
Oustanding and vested Legacy TGC options |  |  | 279,756 |  | $ | 14.25 |  |  |  |
Options cancelled |  |  | (10,000 | ) | $ | 11.79 |  |  |  |
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Balance as of December 31, 2015 |  |  | 428,430 |  | $ | 13.01 |  |  | 2.93 |
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Exercisable as of December 31, 2015 |  |  | 428,430 |  | $ | 13.01 |  |  | 2.93 |
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| (1) |  | Balance of optioned shares and weighted average exercise price converted for the Merger that occurred February 11, 2015.
Summary of the Company's nonvested restricted stock unit awards |
|  | Number of Restricted Share Units(1) |  | Weighted Average Grant Date Fair Value(1) |
Balance as of September 30, 2014 |  |  | 38,555 |  | $ | 18.02 |
Grants |  |  | 94,898 |  |  | 6.79 |
Balance as of December 31, 2014 |  |  | 133,453 |  | $ | 10.03 |
Grants |  |  | 10,000 |  |  | 5.76 |
Vested |  |  | (14,206 | ) |  | 17.78 |
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Balance as of December 31, 2015 |  |  | 129,247 |  | $ | 8.85 |
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| (1) |  | Balance of restricted share units and weighted average grant date fair value price converted for merger that occurred February 11, 2015.
Summary of common shares with immediate vesting granted to outside directors and employees |
|  | Number of Shares Granted |  | Weighted Average Grant Date Fair Value |
Year Ended December 31, 2015 |  |  | 58,937 |  | $ | 4.53 |
Three Months Ended December 31, 2014 |  |  | 21,730 |  | $ | 7.59 |
Year Ended September 30, 2014 |  |  | 9,706 |  | $ | 17.61 |
Year Ended September 30, 2013 |  |  | 25,491 |  | $ | 15.81 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock awards granted to employees and outside directors that were outstanding at the beginning and end of the year. + References No definition available. + Details
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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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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