(1) Summary of Significant Accounting Policies (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Notes to Financial Statements
Goodwill	$ 4,150,339	$ 4,150,339
Other intangible assets
Gross carrying amount	3,128,588	3,026,945
Accumulated amortization	2,954,162	2,835,373
Net carrying amount	$ 174,426	$ 191,572

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