Stock Option Plans (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Plan 1995 [Member]
Shares under option:
Options outstanding-Shares	61	61
Granted-Shares	0	0
Exercised - Shares	0	0
Forfeited-Shares	(15)	0
Options outstanding-Shares	46	61
Options Exercisable-Shares	46
Options outstanding-Weighted Average Exercise Price	$ 3.84	$ 3.84
Granted-Weighted Average Exercise Price	$ 0	$ 0
Exercised-Weighted Average Exercise Price	$ 0	$ 0
Forfeited-Weighted Average Exercise Price	$ 0	$ 0
Options outstanding-Weighted Average Exercise Price	$ 3.84	$ 3.84
Options exercisable-Weighted Average Exercise Price	$ 3.84
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0	$ 0
Plan 1996 [Member]
Shares under option:
Options outstanding-Shares	20	30
Granted-Shares	0	0
Exercised - Shares	0	0
Forfeited-Shares	(10)	(10)
Options outstanding-Shares	10	20
Options Exercisable-Shares	10
Options outstanding-Weighted Average Exercise Price	$ 3.48	$ 3.00
Granted-Weighted Average Exercise Price	$ 0	$ 0
Exercised-Weighted Average Exercise Price	$ 0	$ 0
Forfeited-Weighted Average Exercise Price	$ 3.10	$ 2.05
Options outstanding-Weighted Average Exercise Price	$ 3.85	$ 3.48
Options exercisable-Weighted Average Exercise Price	$ 3.85
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0	$ 0
Employee Plan 2005 [Member]
Shares under option:
Options outstanding-Shares	1,482	1,225
Granted-Shares	325	300
Exercised - Shares	(34)	(1)
Forfeited-Shares	(83)	(42)
Options outstanding-Shares	1,690	1,482
Options Exercisable-Shares	1,084
Options outstanding-Weighted Average Exercise Price	$ 1.56	$ 1.67
Granted-Weighted Average Exercise Price	$ 0.94	$ 1.00
Exercised-Weighted Average Exercise Price	$ 1.20	$ 0.76
Forfeited-Weighted Average Exercise Price	$ 1.62	$ 0.99
Options outstanding-Weighted Average Exercise Price	$ 1.44	$ 1.56
Options exercisable-Weighted Average Exercise Price	$ 1.70
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0.61	$ 0.72
Director Plan 2005 [Member]
Shares under option:
Options outstanding-Shares	299	249
Granted-Shares	50	50
Exercised - Shares	0	0
Forfeited-Shares	0	0
Options outstanding-Shares	349	299
Options Exercisable-Shares	299
Options outstanding-Weighted Average Exercise Price	$ 1.34	$ 1.40
Granted-Weighted Average Exercise Price	$ 0.88	$ 1.00
Exercised-Weighted Average Exercise Price	$ 0	$ 0
Forfeited-Weighted Average Exercise Price	$ 0	$ 0
Options outstanding-Weighted Average Exercise Price	$ 1.27	$ 1.34
Options exercisable-Weighted Average Exercise Price	$ 1.34
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0.56	$ 0.72

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- Definition

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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-Publisher FASB

-Name Accounting Standards Codification

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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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

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

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

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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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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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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

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Number of share options (or share units) exercised during the current period.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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