Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Condensed Consolidated Balance Sheets
Trade accounts receivable, allowance (in dollars)	$ 0	$ 8,174
Property and equipment, accumulated depreciation (in dollars)	299,445	265,502
Patents, accumulated amortization (in dollars)	$ 0	$ 2,146
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, series B shares issued	5,250	5,250
Preferred stock, series B shares outstanding	1	1
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	4,167,820	3,103,004
Common stock, shares outstanding	4,159,777	3,094,461
Treasury stock, shares	8,043	8,043