Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Operations [Abstract]
Revenues	$ 11,293,189	$ 9,023,129
Costs and expenses:
Cost of sales	5,276,430	4,701,810
Selling, general and administrative	6,270,405	5,974,639
Total operating expenses	11,546,835	10,676,449
Gain on sale of equipment	37,000	3,500
Operating loss	(216,646)	(1,649,820)
Other income (expenses):
Interest and dividend income	4,612	7,126
Lawsuit settlement	0	700,000
Bankruptcy settlement	0	76,710
Realized losses on trading securities	(2,247)	0
Unrealized losses on trading securities	(629)	(4,321)
Interest expense	(147,525)	(146,452)
Other income	67,668	57,088
Total other income (expense)	(78,121)	690,151
Loss before income tax	(294,767)	(959,669)
Income tax expense (benefit)	56,487	(55,630)
Net loss	(351,254)	(904,039)
Preferred dividends:
Deemed dividends	(250,000)	0
Regular dividends	(240,000)	(240,000)
Net loss applicable to common shareholders	$ (841,254)	$ (1,144,039)
Net loss per common share - basic and diluted (in dollars per share)	$ (0.01)	$ (0.02)
Weighted average common shares - basic and diluted (in shares)	70,871,042	65,997,780