Effective date of reverse stock split.

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- Definition

Share based compensation arrangement by share based payment award equity instruments options vesting date.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Grants Grant Date Fair Value

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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No definition available.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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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.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB

-Name Accounting Standards Codification

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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).

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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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.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Number of non-vested options forfeited.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Stock Split

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-Name Accounting Standards Codification

-Topic 505

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- Definition

Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

+ References

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-Publisher FASB

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-Name Staff Accounting Bulletin (SAB)

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Share-based Payments - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jan. 01, 2008	Mar. 04, 2013	Nov. 11, 2013	Dec. 17, 2013	Dec. 19, 2014	Aug. 01, 2014	Dec. 31, 2013	Apr. 16, 2014	May 20, 2013	Dec. 14, 2012	Aug. 31, 2010	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation arrangement by share options	0	67,000
Reverse stock split ratio	0.2	0.2
Reverse stock split description	1-for-5	1-for-5
Effective date of reverse stock split	Mar. 19, 2015	Mar. 19, 2015
Share options, exercise price		$ 7.45
Unrecognized share-based compensation cost in respect of granted share options	$ 81	$ 348							$ 348
Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share options, exercise price	$ 13.10
Share based compensation arrangement, vesting period	3 years
Share options	45,000
Restricted share units, vesting date	Jan. 04, 2010
General and Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Compensation cost recognized	267	271
March 8, 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share options, exercise price	$ 5.25
Share based compensation arrangement, vesting period	3 years
Share options	25,000
Restricted share units, vesting date	Nov. 15, 2012
March 17, 2014 [Member] \| Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share options, exercise price	$ 8.25
Share based compensation arrangement, vesting period	3 years
Share options	20,000
Restricted share units, vesting date	Mar. 27, 2012
January 2008 [Member] \| Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share options, exercise price	$ 39.40
Share based compensation arrangement, vesting period	4 years
Share options	8,105
Restricted share units, vesting date	Jan. 31, 2008
January 2010 [Member] \| Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share options, exercise price	$ 35.70
Share based compensation arrangement, vesting period	3 years
Share options	4,000
Restricted share units, vesting date	Jan. 31, 2010
2008 Share Inventive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation arrangement by share options			359,299
Increase in shares authorized						1,200,000						900,000	600,000
Employee Stock Option [Member] \| Senior Executives [Member] \| Stock Option Twelve [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation arrangement by share options				15,000
Share options, exercise price				$ 5.10
Share based compensation arrangement, fair value options				48
Share based compensation arrangement, vesting period				3 years
Employee Stock Option [Member] \| Senior Executives [Member] \| Stock Option Thirteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation arrangement by share options					35,000
Share based compensation arrangement, fair value options					182
Share based compensation arrangement, vesting period					3 years
Weighted average exercise price per share, Granted					$ 8.10
Employee Stock Option [Member] \| Senior Executives [Member] \| Stock Option Fourteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation arrangement by share options					17,000
Share based compensation arrangement, fair value options					78
Share based compensation arrangement, vesting period					1 year
Weighted average exercise price per share, Granted					$ 8.10
Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Restricted share units, vesting date					Jan. 02, 2014
Restricted share units, granted	73,000	195,656			157,000	6,300
Restricted share units, fair value	$ 190	$ 1,340			$ 1,272	$ 40			$ 1,340					$ 200
Restricted share units, forfeited	2,000	40,000
Restricted share units, compensation cost	169	1,377
Unrecognized share-based compensation cost in respect of granted restricted share units	$ 147	$ 48							$ 48
Restricted Share Units [Member] \| Senior Executives [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Restricted share units, granted				15,000			10,000	60,000	10,000
Restricted share units, fair value		$ 75		$ 77			$ 40	$ 186	$ 75
Restricted share units, vesting period				3 years				4 years
Restricted Share Units [Member] \| Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Restricted share units, granted										3,000	7,356
Restricted share units, fair value										$ 13	$ 38
Restricted share units, vesting period										2 years
Restricted share units, forfeited										2,000