4. Earnings Per Share (Details-EPS calculation) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Numerator:
Net income (loss)	$ (675)us-gaap_NetIncomeLoss	$ 85us-gaap_NetIncomeLoss
Weighted average shares used to compute net income (loss) per share
Basic	14,844,211	12,792,322
Effective of dilutive options and warrants	0	996
Diluted	14,844,211	13,787,580
Net income (loss) per share
Basic	$ (0.05)us-gaap_EarningsPerShareBasic	$ 0.01us-gaap_EarningsPerShareBasic
Diluted	$ (0.05)us-gaap_EarningsPerShareDiluted	$ 0.01us-gaap_EarningsPerShareDiluted

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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