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10. Stock Based Compensation (Details) (USD $)	3 Months Ended
	Mar. 31, 2014
Number of Shares Granted	30
Number of Shares Forfeited/Expired
Weighted Average Exercise Price Outstanding, Beginning	$ 3.40
Weighted Average Exercise Price Granted
Weighted Average Exercise Price Exercised
Weighted Average Exercise Price Forfeited/Expired
Weighted Average Exercise Price Outstanding, Ending	$ 3.41
Employee Stock Plan
Shares Available for Grant, Beginning	74
Shares Available for Grant, Authorized	100
Shares Available for Grant, Number of Shares Granted	(148)
Shares Available for Grant, Exercised
Shares Available for Grant, Forfeited/Expired	2
Shares Available for Grant, Ending	29
Number of Shares Outstanding, Beginning	913
Number of Shares Authorized
Number of Shares Granted	148
Number of Shares Exercised	(15)
Number of Shares Forfeited/Expired	(2)
Number of Shares Outstanding, Ending	1,044
Weighted Average Exercise Price Outstanding, Beginning	$ 4.90
Weighted Average Exercise Price Authorized
Weighted Average Exercise Price Granted	$ 4.20
Weighted Average Exercise Price Exercised	$ 1.60
Weighted Average Exercise Price Forfeited/Expired	$ 5.50
Weighted Average Exercise Price Outstanding, Ending	$ 4.89

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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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.

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

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-Section 50

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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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