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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-Publisher FASB
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Unrecognized cost of unvested share-based compensation awards.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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Price of a single share of a number of saleable stocks of a company.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stockholders' (Deficit) Equity - Common Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Exercisable	544,869	1,023,606	1,029,416
Options Outstanding, Number of Options (in shares)	1,394,869
Share Price (in dollars per share)	$ 1.19
Vested and exercisable, Weighted- Average Remaining Contractual Term (in years)	3 years 7 months 2 days
2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Options (in shares)	0
2006 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Options (in shares)	1,394,869
Stock Option Grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	4 years 9 months 6 days
Stock-based compensation expense	$ 99	$ 299	$ 843
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	38	142	$ 362
Incremental expense recognized		$ 160
Options Outstanding, Aggregate Intrinsic Value	36
Vested and exercisable, Aggregate intrinsic value	36
Intrinsic value of options exercised	187
Unrecognized compensation cost related to stock options	$ 822
Stock Option Grants [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	5 years
Stock Option Grants [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	10 years