3. Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income (Numerator)
Net income	$ (181,949)	$ 135,221	$ 167,848	$ 482,671
Shares (Denominator)
Dilutive earnings per share: Income available to common stockholders and assumed conversions	20,974,419	21,844,981	20,972,114	21,653,543
Per-Share (Amount)
Diluted earnings per share Income available to common stockholders and assumed conversions	$ (.01)	$ 0.01	$ 0.01	$ 0.02