Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Condensed Consolidated Balance Sheets
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	300,000	300,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	5,993,551	5,959,975
Common stock, shares outstanding	5,993,551	5,959,975
Finished goods	$ 22,487,052	$ 23,828,283
Work in process	112,507	66,853
Raw materials	$ 11,599,373	$ 7,134,811