CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATED BALANCE SHEETS
Trade accounts receivable, allowance for doubtful accounts (in dollars)	$ 208,360	$ 150,921
Property, plant and equipment, accumulated depreciation (in dollars)	$ 6,777,754	$ 4,147,129
Capital stock, Authorized shares	3,000,000	3,000,000
Capital stock, issued shares	0	0
Capital stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, Authorized shares	22,000,000	22,000,000
Common stock, issued shares	5,482,588	5,438,810
Common stock, outstanding shares	5,482,588	5,438,810