Variable Interest Entities ("VIE") and Transactions (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current Assets	$ 27,129,754	$ 23,300,969
Property, plant and equipment, net	8,699,070	8,843,909
Total assets	37,747,143	33,615,522
Variable Interest Entity, Primary Beneficiary [Member]
Current Assets	130,000	105,000
Property, plant and equipment, net	662,000	550,000
Other noncurrent assets	622,000	774,000
Total assets	1,414,000	1,429,000
Mortgages and other long-term debt payable	1,385,000	1,488,000
Total liabilities	$ 1,385,000	$ 1,488,000