4. Earnings Per Share

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

4. Earnings (Loss) Per Share

The following table shows the weighted average number of shares used in computing earnings (loss) per share and the effect on weighted average number of shares of potential dilutive common stock.

	Three Months Ended June 30,
	2013			2012
Net income	$	(53,170	)	$	551,670
Shares used in calculation of income per share:
Basic		5,062,251			4,717,654
Effect of dilutive options		57,719			357,127
Diluted		5,119,970			5,074,781
Net income per share:
Basic	$	(0.01	)	$	0.12
Diluted	$	(0.01	)	$	0.11

	Six Months Ended June 30,
	2013			2012
Net income	$	(22,968	)	$	475,561
Shares used in calculation of income per share:
Basic		5,059,524			4,711,390
Effect of dilutive options		57,643			357,127
Diluted		5,117,167			5,068,517
Net income per share:
Basic	$	(0.00	)	$	0.10
Diluted	$	(0.00	)	$	0.09