Schedule of Basic and Dilutive Net Loss Per Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Accounting Policies [Abstract]
Net income	$ 103,800	$ 390,500	$ 542,400	$ 566,600
Weighted average common shares outstanding	12,611,133	12,461,993	12,611,133	12,438,839
Basic net income per share	$ 0.01	$ 0.03	$ 0.04	$ 0.05
Interest expense on convertible notes	22,900	22,900	68,300	68,000
Income for computing diluted net income per share	$ 126,700	$ 413,400	$ 610,700	$ 634,600
Incremental shares from assumed exercise of dilutive securities	2,272,681	2,211,332	2,272,681	2,211,332
Dilutive potential common shares	14,883,814	14,673,325	14,883,814	14,650,171
Diluted net earnings per share	$ 0.01	$ 0.03	$ 0.04	$ 0.04