11. Stock-Based Compensation (Details) (Options, USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Options
Number of Shares Available, Beginning	74	161
Number of Share Authorized	100	100
Number of Shares Granted	(247)	(288)
Number of Shares Exercised	0	0
Number of Shares Forfeited/Expired	78	101
Number of Shares Availabe, Ending	5	74
Number of Outstanding, Ending	926	913
Number of Shares Granted	247	288
Number of Shares Exercised	(156)	(26)
Number of Shares Forfeited	(78)	(101)
Number of Shares Outstanding, Ending	926	913
Weighted Average Exercise Price Outstanding, Beginning	$ 4.90	$ 5.90
Weighted Average Exercise Price Granted	$ 4.38	$ 5.8
Weighted Average Exercise Price Exercised	$ 1.69	$ 3.3
Weighted Average Exercise Price Forfeited	$ 2.71	$ 15.31
Weighted Average Exercise Price Outstanding, Ending	$ 5.52	$ 4.90

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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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For presentations that combine terminations, 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 or that expired.

+ References

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

-Publisher FASB

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-Topic 718

-SubTopic 10

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Weighted average price of options that were either forfeited or expired.

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

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

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

-Publisher FASB

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

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

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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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