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Non-Competition Agreements (Details) (USD $)	12 Months Ended
Non-Competition Agreements (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Non-competition agreements - net, Begining	$ 180,000	$ 420,000
Amortization	(150,000)	(240,000)
Non-competition agreements - net, Ending	$ 30,000	$ 180,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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