v2.4.0.8

Stock Incentive Plans - Additional Information (Detail) (USD $) | 12 Months Ended |  | 12 Months Ended | 48 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended |  | 12 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Restricted Stock | Dec. 31, 2012 Restricted Stock | Dec. 31, 2011 Restricted Stock | Dec. 31, 2013 Restricted Stock Service Based Options | Dec. 31, 2013 Restricted Stock Service Based Options | Dec. 31, 2013 Restricted Stock Minimum Service Based Options | Dec. 31, 2013 Restricted Stock Maximum Service Based Options | Aug. 31, 2012 Previously Approved Plans | Dec. 31, 2013 Previously Approved Plans Non Vested Stock Options | Dec. 31, 2012 Previously Approved Plans Non Vested Stock Options | Aug. 31, 2012 2012 Equity Incentive Plan | Dec. 31, 2013 2012 Equity Incentive Plan | Dec. 31, 2013 2012 Equity Incentive Plan Restricted Stock | Dec. 31, 2013 2012 Plan and Previously Approved Plans | Dec. 31, 2013 2012 Plan and Previously Approved Plans Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares initially authorized for issuance under equity incentive plan |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  |
Additional shares authorized for issuance under equity incentive plan |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,666 |  |  |  |
Shares ceased to be issuable |  |  |  |  |  |  |  |  |  |  | 17,666 |  |  |  |  |  |  |
Outstanding options to purchase shares of common stock | 279,000 | 433,000 | 546,001 |  |  |  |  |  |  |  |  |  |  |  |  |  | 279,000 |
Unvested restricted shares outstanding |  |  |  | 318,660 | 312,501 | 232,501 | 206,997 | 206,997 |  |  |  |  |  |  |  | 111,663 |  | 318,660
Outstanding shares remained available for future grants |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 355,367 |  |  |
Aggregate pre-tax intrinsic value | $ 75,000 | $ 3,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average fair value of options granted | $ 2.77 | $ 1.28 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation cost related to the nonvested options |  |  |  | 330,500 |  |  | 292,500 | 292,500 |  |  |  | 7,000 | 3,000 |  |  |  |  |
Unrecognized compensation costs are expected to be recognized over a weighted average period (years) |  |  |  | 2 years 10 months 24 days |  |  | 2 years 2 months 12 days |  |  |  |  | 2 months 12 days | 2 months 12 days |  |  |  |  |
Share based compensation common stock granted |  |  |  | 167,500 | 147,500 |  |  | 439,000 |  |  |  |  |  |  |  | 167,500 |  |
Vesting period |  |  |  |  |  |  |  |  | 3 years | 4 years |  |  |  |  |  |  |  |
Vested |  |  |  | 105,504 | 58,500 |  |  | 223,003 |  |  |  |  |  |  |  |  |  |
Aggregate intrinsic value |  |  |  | 365,000 |  |  | 677,000 | 677,000 |  |  |  |  |  |  |  |  |  |
Share-base compensation expense | $ 302,000 | $ 456,000 | $ 440,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |

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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=31042434&loc=d3e3602-108585 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options. + References No definition available. + 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 number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of additional shares authorized for issuance under an established share-based compensation plan. + References No definition available. + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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